155394633164 has 12 divisors (see below), whose sum is σ = 278573306088. Its totient is φ = 75802260000.

The previous prime is 155394633151. The next prime is 155394633211. The reversal of 155394633164 is 461336493551.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 473763962 + ... + 473764289.

It is an arithmetic number, because the mean of its divisors is an integer number (23214442174).

Almost surely, 2^155394633164 is an apocalyptic number.

It is an amenable number.

155394633164 is a deficient number, since it is larger than the sum of its proper divisors (123178672924).

155394633164 is a wasteful number, since it uses less digits than its factorization.

155394633164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947528296 (or 947528294 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 50.

The spelling of 155394633164 in words is "one hundred fifty-five billion, three hundred ninety-four million, six hundred thirty-three thousand, one hundred sixty-four".