64118422758580 has 48 divisors (see below), whose sum is σ = 135722714996736. Its totient is φ = 25442833570560.

The previous prime is 64118422758571. The next prime is 64118422758617. The reversal of 64118422758580 is 8585722481146.

It is a super-2 number, since 2×64118422758580² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23793672 + ... + 26351008.

It is an arithmetic number, because the mean of its divisors is an integer number (2827556562432).

Almost surely, 2^{64118422758580} is an apocalyptic number.

It is an amenable number.

64118422758580 is an abundant number, since it is smaller than the sum of its proper divisors (71604292238156).

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

64118422758580 is a wasteful number, since it uses less digits than its factorization.

64118422758580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567344 (or 2567342 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 61.

The spelling of 64118422758580 in words is "sixty-four trillion, one hundred eighteen billion, four hundred twenty-two million, seven hundred fifty-eight thousand, five hundred eighty".