66011888307 has 16 divisors (see below), whose sum is σ = 88940566400. Its totient is φ = 43545745152.

The previous prime is 66011888303. The next prime is 66011888329. The reversal of 66011888307 is 70388811066.

It is not a de Polignac number, because 66011888307 - 2² = 66011888303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66011888303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704444 + ... + 1742742.

It is an arithmetic number, because the mean of its divisors is an integer number (5558785400).

Almost surely, 2^66011888307 is an apocalyptic number.

66011888307 is a deficient number, since it is larger than the sum of its proper divisors (22928678093).

66011888307 is a wasteful number, since it uses less digits than its factorization.

66011888307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44322.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 66011888307 in words is "sixty-six billion, eleven million, eight hundred eighty-eight thousand, three hundred seven".