65664604610 has 16 divisors (see below), whose sum is σ = 128941405632. Its totient is φ = 23878038000.

The previous prime is 65664604589. The next prime is 65664604723. The reversal of 65664604610 is 1640646656.

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, 298475366 + ... + 298475585.

It is an arithmetic number, because the mean of its divisors is an integer number (8058837852).

Almost surely, 2^65664604610 is an apocalyptic number.

65664604610 is a deficient number, since it is larger than the sum of its proper divisors (63276801022).

65664604610 is a wasteful number, since it uses less digits than its factorization.

65664604610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596950969.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 65664604610 in words is "sixty-five billion, six hundred sixty-four million, six hundred four thousand, six hundred ten".