64160230406728 has 64 divisors (see below), whose sum is σ = 123243605766000. Its totient is φ = 31304602828800.

The previous prime is 64160230406687. The next prime is 64160230406773. The reversal of 64160230406728 is 82760403206146.

It can be written as a sum of positive squares in 8 ways, for example, as 53338512235684 + 10821718171044 = 7303322^2 + 3289638^2 .

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, 30380728 + ... + 32423896.

Almost surely, 2^{64160230406728} is an apocalyptic number.

It is an amenable number.

64160230406728 is a deficient number, since it is larger than the sum of its proper divisors (59083375359272).

64160230406728 is a wasteful number, since it uses less digits than its factorization.

64160230406728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043746 (or 2043742 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 64160230406728 in words is "sixty-four trillion, one hundred sixty billion, two hundred thirty million, four hundred six thousand, seven hundred twenty-eight".