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166032020045232 = 2432115771209715017
BaseRepresentation
bin100101110000000101010111…
…100100110111110110110000
3210202212111122221121102122100
4211300011113210313312300
5133230232034112421412
61345042020152540400
746654263143530545
oct4560052744676660
9722774587542570
10166032020045232
11489a2869962630
121675614b6b1700
1371849a1a91543
142cdddc7b78bcc
15142dd19455edc
hex970157937db0

166032020045232 has 240 divisors, whose sum is σ = 507855091434912. Its totient is φ = 50218040033280.

The previous prime is 166032020045231. The next prime is 166032020045321. The reversal of 166032020045232 is 232540020230661.

166032020045232 is a `hidden beast` number, since 1 + 6 + 60 + 320 + 2 + 0 + 0 + 45 + 232 = 666.

166032020045232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (166032020045231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11056263388 + ... + 11056278404.

Almost surely, 2166032020045232 is an apocalyptic number.

166032020045232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166032020045232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253927545717456).

166032020045232 is an abundant number, since it is smaller than the sum of its proper divisors (341823071389680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166032020045232 is a wasteful number, since it uses less digits than its factorization.

166032020045232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27716 (or 27707 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 166032020045232 its reverse (232540020230661), we get a palindrome (398572040275893).

The spelling of 166032020045232 in words is "one hundred sixty-six trillion, thirty-two billion, twenty million, forty-five thousand, two hundred thirty-two".