155838725164 has 12 divisors (see below), whose sum is σ = 272722524088. Its totient is φ = 77918004000.

The previous prime is 155838725153. The next prime is 155838725239. The reversal of 155838725164 is 461527838551.

It is a happy 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, 55062 + ... + 560989.

Almost surely, 2^155838725164 is an apocalyptic number.

It is an amenable number.

155838725164 is a deficient number, since it is larger than the sum of its proper divisors (116883798924).

155838725164 is a wasteful number, since it uses less digits than its factorization.

155838725164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679296 (or 679294 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 55.

The spelling of 155838725164 in words is "one hundred fifty-five billion, eight hundred thirty-eight million, seven hundred twenty-five thousand, one hundred sixty-four".