155693930904 has 96 divisors (see below), whose sum is σ = 443950603200. Its totient is φ = 49156943040.

The previous prime is 155693930897. The next prime is 155693930921. The reversal of 155693930904 is 409039396551.

155693930904 is a `hidden beast` number, since 15 + 569 + 39 + 30 + 9 + 0 + 4 = 666.

It is a super-3 number, since 3×155693930904³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11105259 + ... + 11119269.

It is an arithmetic number, because the mean of its divisors is an integer number (4624485450).

Almost surely, 2^155693930904 is an apocalyptic number.

It is an amenable number.

155693930904 is an abundant number, since it is smaller than the sum of its proper divisors (288256672296).

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

155693930904 is a wasteful number, since it uses less digits than its factorization.

155693930904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165 (or 22158 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The spelling of 155693930904 in words is "one hundred fifty-five billion, six hundred ninety-three million, nine hundred thirty thousand, nine hundred four".