66307591882 has 8 divisors (see below), whose sum is σ = 113670157536. Its totient is φ = 28417539372.

The previous prime is 66307591859. The next prime is 66307591967. The reversal of 66307591882 is 28819570366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368128268 + ... + 2368128295.

It is an arithmetic number, because the mean of its divisors is an integer number (14208769692).

Almost surely, 2^66307591882 is an apocalyptic number.

66307591882 is a deficient number, since it is larger than the sum of its proper divisors (47362565654).

66307591882 is a wasteful number, since it uses less digits than its factorization.

66307591882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736256572.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 66307591882 in words is "sixty-six billion, three hundred seven million, five hundred ninety-one thousand, eight hundred eighty-two".