156880668 has 48 divisors (see below), whose sum is σ = 418982144. Its totient is φ = 44755200.

The previous prime is 156880667. The next prime is 156880681. The reversal of 156880668 is 866088651.

It is a happy number.

It is a super-2 number, since 2×156880668² = 49223087984252448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156880667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87396 + ... + 89172.

Almost surely, 2^156880668 is an apocalyptic number.

It is an amenable number.

156880668 is an abundant number, since it is smaller than the sum of its proper divisors (262101476).

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

156880668 is a wasteful number, since it uses less digits than its factorization.

156880668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 156880668 is about 12525.2013157474. The cubic root of 156880668 is about 539.3323573250.

The spelling of 156880668 in words is "one hundred fifty-six million, eight hundred eighty thousand, six hundred sixty-eight".