155615164 has 24 divisors (see below), whose sum is σ = 283006976. Its totient is φ = 74790000.

The previous prime is 155615147. The next prime is 155615177. The reversal of 155615164 is 461516551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14569 + ... + 22879.

Almost surely, 2^155615164 is an apocalyptic number.

It is an amenable number.

155615164 is a deficient number, since it is larger than the sum of its proper divisors (127391812).

155615164 is a wasteful number, since it uses less digits than its factorization.

155615164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497 (or 8495 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 155615164 is about 12474.5807143968. The cubic root of 155615164 is about 537.8782355962.

The spelling of 155615164 in words is "one hundred fifty-five million, six hundred fifteen thousand, one hundred sixty-four".