64566067005 has 64 divisors (see below), whose sum is σ = 129258455040. Its totient is φ = 30294907200.

The previous prime is 64566066979. The next prime is 64566067019. The reversal of 64566067005 is 50076066546.

It is not a de Polignac number, because 64566067005 - 2⁶ = 64566066941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 655237 + ... + 747306.

It is an arithmetic number, because the mean of its divisors is an integer number (2019663360).

Almost surely, 2^64566067005 is an apocalyptic number.

It is an amenable number.

64566067005 is an abundant number, since it is smaller than the sum of its proper divisors (64692388035).

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

64566067005 is a wasteful number, since it uses less digits than its factorization.

64566067005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402599 (or 1402593 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 64566067005 in words is "sixty-four billion, five hundred sixty-six million, sixty-seven thousand, five".