64146576160 has 24 divisors (see below), whose sum is σ = 151546286556. Its totient is φ = 25658630400.

The previous prime is 64146576157. The next prime is 64146576161. The reversal of 64146576160 is 6167564146.

It can be written as a sum of positive squares in 2 ways, for example, as 60868784656 + 3277791504 = 246716^2 + 57252^2 .

It is a super-2 number, since 2×64146576160² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64146576160.

It is not an unprimeable number, because it can be changed into a prime (64146576161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200457891 + ... + 200458210.

Almost surely, 2^64146576160 is an apocalyptic number.

It is an amenable number.

64146576160 is an abundant number, since it is smaller than the sum of its proper divisors (87399710396).

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

64146576160 is a wasteful number, since it uses less digits than its factorization.

64146576160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400916116 (or 400916108 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 64146576160 in words is "sixty-four billion, one hundred forty-six million, five hundred seventy-six thousand, one hundred sixty".