64160356660 has 48 divisors (see below), whose sum is σ = 135923659200. Its totient is φ = 25438904064.

The previous prime is 64160356657. The next prime is 64160356679. The reversal of 64160356660 is 6665306146.

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, 1209576 + ... + 1261504.

It is an arithmetic number, because the mean of its divisors is an integer number (2831742900).

Almost surely, 2^64160356660 is an apocalyptic number.

It is an amenable number.

64160356660 is an abundant number, since it is smaller than the sum of its proper divisors (71763302540).

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

64160356660 is a wasteful number, since it uses less digits than its factorization.

64160356660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52480 (or 52478 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 64160356660 in words is "sixty-four billion, one hundred sixty million, three hundred fifty-six thousand, six hundred sixty".