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168706472160 = 25351736073347
BaseRepresentation
bin1001110100011110110…
…0000111100011100000
3121010110102222202111210
42131013230013203200
510231002324102120
6205300325110120
715121463231652
oct2350754074340
9533412882453
10168706472160
11656034505a6
1228843558340
1312ba7c76cb5
148245d5c6d2
1545c5ed7ce0
hex2747b078e0

168706472160 has 192 divisors, whose sum is σ = 535537723392. Its totient is φ = 44641314816.

The previous prime is 168706472113. The next prime is 168706472167. The reversal of 168706472160 is 61274607861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168706472167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50403607 + ... + 50406953.

It is an arithmetic number, because the mean of its divisors is an integer number (2789258976).

Almost surely, 2168706472160 is an apocalyptic number.

168706472160 is a gapful number since it is divisible by the number (10) 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 168706472160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267768861696).

168706472160 is an abundant number, since it is smaller than the sum of its proper divisors (366831251232).

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

168706472160 is a wasteful number, since it uses less digits than its factorization.

168706472160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 168706472160 in words is "one hundred sixty-eight billion, seven hundred six million, four hundred seventy-two thousand, one hundred sixty".