122557467664 has 20 divisors (see below), whose sum is σ = 237471872256. Its totient is φ = 61274403872.

The previous prime is 122557467647. The next prime is 122557467677. The reversal of 122557467664 is 466764755221.

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, 30664 + ... + 496039.

Almost surely, 2^122557467664 is an apocalyptic number.

It is an amenable number.

122557467664 is a deficient number, since it is larger than the sum of its proper divisors (114914404592).

122557467664 is a wasteful number, since it uses less digits than its factorization.

122557467664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541254 (or 541248 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 122557467664 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred sixty-seven thousand, six hundred sixty-four".