64363056517632 has 80 divisors (see below), whose sum is σ = 181553511519072. Its totient is φ = 20192331448320.

The previous prime is 64363056517609. The next prime is 64363056517699. The reversal of 64363056517632 is 23671565036346.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232415994 + ... + 1232468217.

Almost surely, 2^{64363056517632} is an apocalyptic number.

It is an amenable number.

64363056517632 is an abundant number, since it is smaller than the sum of its proper divisors (117190455001440).

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

64363056517632 is a wasteful number, since it uses less digits than its factorization.

64363056517632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464884249 (or 2464884233 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 57.

The spelling of 64363056517632 in words is "sixty-four trillion, three hundred sixty-three billion, fifty-six million, five hundred seventeen thousand, six hundred thirty-two".