155818028264 has 32 divisors (see below), whose sum is σ = 308890432800. Its totient is φ = 73483375680.

The previous prime is 155818028227. The next prime is 155818028281. The reversal of 155818028264 is 462820818551.

155818028264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223467 + ... + 2292474.

It is an arithmetic number, because the mean of its divisors is an integer number (9652826025).

Almost surely, 2^155818028264 is an apocalyptic number.

It is an amenable number.

155818028264 is a deficient number, since it is larger than the sum of its proper divisors (153072404536).

155818028264 is a wasteful number, since it uses less digits than its factorization.

155818028264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516193 (or 4516189 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 155818028264 in words is "one hundred fifty-five billion, eight hundred eighteen million, twenty-eight thousand, two hundred sixty-four".