166272200250 has 128 divisors (see below), whose sum is σ = 459020120832. Its totient is φ = 39822278400.

The previous prime is 166272200201. The next prime is 166272200261. The reversal of 166272200250 is 52002272661.

It is a super-2 number, since 2×166272200250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130297 + ... + 591203.

It is an arithmetic number, because the mean of its divisors is an integer number (3586094694).

Almost surely, 2^166272200250 is an apocalyptic number.

166272200250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166272200250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229510060416).

166272200250 is an abundant number, since it is smaller than the sum of its proper divisors (292747920582).

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

166272200250 is a wasteful number, since it uses less digits than its factorization.

166272200250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460977 (or 460967 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 166272200250 in words is "one hundred sixty-six billion, two hundred seventy-two million, two hundred thousand, two hundred fifty".