155660016604 has 12 divisors (see below), whose sum is σ = 272408127264. Its totient is φ = 77829123104.

The previous prime is 155660016541. The next prime is 155660016613. The reversal of 155660016604 is 406610066551.

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, 323232 + ... + 644824.

It is an arithmetic number, because the mean of its divisors is an integer number (22700677272).

Almost surely, 2^155660016604 is an apocalyptic number.

It is an amenable number.

155660016604 is a deficient number, since it is larger than the sum of its proper divisors (116748110660).

155660016604 is a wasteful number, since it uses less digits than its factorization.

155660016604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442604 (or 442602 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 155660016604 in words is "one hundred fifty-five billion, six hundred sixty million, sixteen thousand, six hundred four".