156896900 has 18 divisors (see below), whose sum is σ = 340466490. Its totient is φ = 62758720.

The previous prime is 156896891. The next prime is 156896903. The reversal of 156896900 is 9698651.

It can be written as a sum of positive squares in 3 ways, for example, as 15382084 + 141514816 = 3922^2 + 11896^2 .

It is a super-2 number, since 2×156896900² = 49233274459220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156896903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784385 + ... + 784584.

It is an arithmetic number, because the mean of its divisors is an integer number (18914805).

Almost surely, 2^156896900 is an apocalyptic number.

156896900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156896900 is an abundant number, since it is smaller than the sum of its proper divisors (183569590).

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

156896900 is a wasteful number, since it uses less digits than its factorization.

156896900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568983 (or 1568976 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 156896900 is about 12525.8492726042. The cubic root of 156896900 is about 539.3509577491.

The spelling of 156896900 in words is "one hundred fifty-six million, eight hundred ninety-six thousand, nine hundred".