160857583272 has 48 divisors (see below), whose sum is σ = 435894245280. Its totient is φ = 53589866400.

The previous prime is 160857583259. The next prime is 160857583291. The reversal of 160857583272 is 272385758061.

160857583272 is a `hidden beast` number, since 1 + 6 + 0 + 8 + 57 + 583 + 2 + 7 + 2 = 666.

It is a super-2 number, since 2×160857583272² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478254 + ... + 741917.

It is an arithmetic number, because the mean of its divisors is an integer number (9081130110).

Almost surely, 2^160857583272 is an apocalyptic number.

160857583272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

160857583272 is an abundant number, since it is smaller than the sum of its proper divisors (275036662008).

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

160857583272 is a wasteful number, since it uses less digits than its factorization.

160857583272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222014 (or 1222007 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 160857583272 in words is "one hundred sixty billion, eight hundred fifty-seven million, five hundred eighty-three thousand, two hundred seventy-two".