157575656 has 16 divisors (see below), whose sum is σ = 337662240. Its totient is φ = 67532400.

The previous prime is 157575653. The next prime is 157575673. The reversal of 157575656 is 656575751.

It is a self number, because there is not a number n which added to its sum of digits gives 157575656.

It is not an unprimeable number, because it can be changed into a prime (157575653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406870 + ... + 1406981.

It is an arithmetic number, because the mean of its divisors is an integer number (21103890).

Almost surely, 2^157575656 is an apocalyptic number.

It is an amenable number.

157575656 is an abundant number, since it is smaller than the sum of its proper divisors (180086584).

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

157575656 is a wasteful number, since it uses less digits than its factorization.

157575656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813864 (or 2813860 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 47.

The square root of 157575656 is about 12552.9142433142. The cubic root of 157575656 is about 540.1276058745.

The spelling of 157575656 in words is "one hundred fifty-seven million, five hundred seventy-five thousand, six hundred fifty-six".