66564310124 has 24 divisors (see below), whose sum is σ = 125463509808. Its totient is φ = 30718221120.

The previous prime is 66564310121. The next prime is 66564310147. The reversal of 66564310124 is 42101346566.

It is not an unprimeable number, because it can be changed into a prime (66564310121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374414 + ... + 522794.

It is an arithmetic number, because the mean of its divisors is an integer number (5227646242).

Almost surely, 2^66564310124 is an apocalyptic number.

It is an amenable number.

66564310124 is a deficient number, since it is larger than the sum of its proper divisors (58899199684).

66564310124 is a wasteful number, since it uses less digits than its factorization.

66564310124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157025 (or 157023 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 66564310124 in words is "sixty-six billion, five hundred sixty-four million, three hundred ten thousand, one hundred twenty-four".