64160653988 has 12 divisors (see below), whose sum is σ = 112482730332. Its totient is φ = 32022731040.

The previous prime is 64160653969. The next prime is 64160654009. The reversal of 64160653988 is 88935606146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30613801024 + 33546852964 = 174968^2 + 183158^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14396483 + ... + 14400938.

It is an arithmetic number, because the mean of its divisors is an integer number (9373560861).

Almost surely, 2^64160653988 is an apocalyptic number.

It is an amenable number.

64160653988 is a deficient number, since it is larger than the sum of its proper divisors (48322076344).

64160653988 is a wasteful number, since it uses less digits than its factorization.

64160653988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28797982 (or 28797980 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 64160653988 in words is "sixty-four billion, one hundred sixty million, six hundred fifty-three thousand, nine hundred eighty-eight".