156581474932 has 12 divisors (see below), whose sum is σ = 290136262500. Its totient is φ = 73685399936.

The previous prime is 156581474927. The next prime is 156581474941. The reversal of 156581474932 is 239474185651.

156581474932 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135132700816 + 21448774116 = 367604^2 + 146454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151334307 + ... + 1151334442.

It is an arithmetic number, because the mean of its divisors is an integer number (24178021875).

Almost surely, 2^156581474932 is an apocalyptic number.

It is an amenable number.

156581474932 is a deficient number, since it is larger than the sum of its proper divisors (133554787568).

156581474932 is a wasteful number, since it uses less digits than its factorization.

156581474932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302668770 (or 2302668768 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 156581474932 in words is "one hundred fifty-six billion, five hundred eighty-one million, four hundred seventy-four thousand, nine hundred thirty-two".