156404989204 has 12 divisors (see below), whose sum is σ = 273806889300. Its totient is φ = 78174449408.

The previous prime is 156404989171. The next prime is 156404989217. The reversal of 156404989204 is 402989404651.

156404989204 is digitally balanced in base 2, 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 102849772804 + 53555216400 = 320702^2 + 231420^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998749 + ... + 7021060.

It is an arithmetic number, because the mean of its divisors is an integer number (22817240775).

Almost surely, 2^156404989204 is an apocalyptic number.

It is an amenable number.

156404989204 is a deficient number, since it is larger than the sum of its proper divisors (117401900096).

156404989204 is a wasteful number, since it uses less digits than its factorization.

156404989204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022602 (or 14022600 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 156404989204 in words is "one hundred fifty-six billion, four hundred four million, nine hundred eighty-nine thousand, two hundred four".