64607905652 has 12 divisors (see below), whose sum is σ = 113127117600. Its totient is φ = 32285872056.

The previous prime is 64607905643. The next prime is 64607905667. The reversal of 64607905652 is 25650970646.

It is a self number, because there is not a number n which added to its sum of digits gives 64607905652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512152 + ... + 4526447.

It is an arithmetic number, because the mean of its divisors is an integer number (9427259800).

Almost surely, 2^64607905652 is an apocalyptic number.

It is an amenable number.

64607905652 is a deficient number, since it is larger than the sum of its proper divisors (48519211948).

64607905652 is a wasteful number, since it uses less digits than its factorization.

64607905652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040390 (or 9040388 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 64607905652 in words is "sixty-four billion, six hundred seven million, nine hundred five thousand, six hundred fifty-two".