64522557162004 has 12 divisors (see below), whose sum is σ = 112917647661364. Its totient is φ = 32260372115904.

The previous prime is 64522557161989. The next prime is 64522557162013. The reversal of 64522557162004 is 40026175522546.

It can be written as a sum of positive squares in 2 ways, for example, as 12616007817604 + 51906549344400 = 3551902^2 + 7204620^2 .

It is a congruent number.

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, 226456107 + ... + 226740850.

Almost surely, 2^{64522557162004} is an apocalyptic number.

It is an amenable number.

64522557162004 is a deficient number, since it is larger than the sum of its proper divisors (48395090499360).

64522557162004 is a wasteful number, since it uses less digits than its factorization.

64522557162004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453232554 (or 453232552 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 64522557162004 in words is "sixty-four trillion, five hundred twenty-two billion, five hundred fifty-seven million, one hundred sixty-two thousand, four".