664464461701113 has 24 divisors (see below), whose sum is σ = 1019605810562976. Its totient is φ = 432172007604000.

The previous prime is 664464461701109. The next prime is 664464461701171. The reversal of 664464461701113 is 311107164464466.

664464461701113 is a `hidden beast` number, since 6 + 6 + 4 + 4 + 6 + 4 + 4 + 617 + 0 + 1 + 1 + 13 = 666.

It is not a de Polignac number, because 664464461701113 - 2² = 664464461701109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 664464461701113.

It is not an unprimeable number, because it can be changed into a prime (664464461702113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33346595563 + ... + 33346615488.

It is an arithmetic number, because the mean of its divisors is an integer number (42483575440124).

Almost surely, 2^{664464461701113} is an apocalyptic number.

It is an amenable number.

664464461701113 is a deficient number, since it is larger than the sum of its proper divisors (355141348861863).

664464461701113 is an equidigital number, since it uses as much as digits as its factorization.

664464461701113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66693211107 (or 66693211095 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 664464461701113 in words is "six hundred sixty-four trillion, four hundred sixty-four billion, four hundred sixty-one million, seven hundred one thousand, one hundred thirteen".