501045603556164 has 24 divisors (see below), whose sum is σ = 1170354120606048. Its totient is φ = 166836956569920.

The previous prime is 501045603556133. The next prime is 501045603556177. The reversal of 501045603556164 is 461655306540105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22280565222 + ... + 22280587709.

It is an arithmetic number, because the mean of its divisors is an integer number (48764755025252).

Almost surely, 2^{501045603556164} is an apocalyptic number.

It is an amenable number.

501045603556164 is an abundant number, since it is smaller than the sum of its proper divisors (669308517049884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501045603556164 is a wasteful number, since it uses less digits than its factorization.

501045603556164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44561153875 (or 44561153873 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 501045603556164 in words is "five hundred one trillion, forty-five billion, six hundred three million, five hundred fifty-six thousand, one hundred sixty-four".