64360425564 has 36 divisors (see below), whose sum is σ = 162830304000. Its totient is φ = 21434822400.

The previous prime is 64360425541. The next prime is 64360425581. The reversal of 64360425564 is 46552406346.

It is a happy number.

64360425564 is a `hidden beast` number, since 6 + 4 + 3 + 60 + 4 + 25 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 735189 + ... + 818060.

It is an arithmetic number, because the mean of its divisors is an integer number (4523064000).

Almost surely, 2^64360425564 is an apocalyptic number.

It is an amenable number.

64360425564 is an abundant number, since it is smaller than the sum of its proper divisors (98469878436).

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

64360425564 is a wasteful number, since it uses less digits than its factorization.

64360425564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554410 (or 1554405 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 64360425564 in words is "sixty-four billion, three hundred sixty million, four hundred twenty-five thousand, five hundred sixty-four".