64463064666616 has 64 divisors (see below), whose sum is σ = 152184887285760. Its totient is φ = 24866811600000.

The previous prime is 64463064666587. The next prime is 64463064666641. The reversal of 64463064666616 is 61666646036446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517996360 + ... + 518120791.

It is an arithmetic number, because the mean of its divisors is an integer number (2377888863840).

Almost surely, 2^{64463064666616} is an apocalyptic number.

It is an amenable number.

64463064666616 is an abundant number, since it is smaller than the sum of its proper divisors (87721822619144).

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

64463064666616 is a wasteful number, since it uses less digits than its factorization.

64463064666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036117276 (or 1036117272 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 64.

The spelling of 64463064666616 in words is "sixty-four trillion, four hundred sixty-three billion, sixty-four million, six hundred sixty-six thousand, six hundred sixteen".