64663446006005 has 64 divisors (see below), whose sum is σ = 99587388999168. Its totient is φ = 39129648168960.

The previous prime is 64663446005941. The next prime is 64663446006013. The reversal of 64663446006005 is 50060064436646.

It is a happy number.

It is not a de Polignac number, because 64663446006005 - 2⁶ = 64663446005941 is a prime.

It is a super-2 number, since 2×64663446006005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 926309 + ... + 11409861.

It is an arithmetic number, because the mean of its divisors is an integer number (1556052953112).

Almost surely, 2^{64663446006005} is an apocalyptic number.

It is an amenable number.

64663446006005 is a deficient number, since it is larger than the sum of its proper divisors (34923942993163).

64663446006005 is a wasteful number, since it uses less digits than its factorization.

64663446006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484046.

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 64663446006005 in words is "sixty-four trillion, six hundred sixty-three billion, four hundred forty-six million, six thousand, five".