66586299122 has 16 divisors (see below), whose sum is σ = 117233021760. Its totient is φ = 27765715248.

The previous prime is 66586299077. The next prime is 66586299133. The reversal of 66586299122 is 22199268566.

66586299122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64271972 + ... + 64273007.

It is an arithmetic number, because the mean of its divisors is an integer number (7327063860).

Almost surely, 2^66586299122 is an apocalyptic number.

66586299122 is a deficient number, since it is larger than the sum of its proper divisors (50646722638).

66586299122 is a wasteful number, since it uses less digits than its factorization.

66586299122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128545025.

The product of its digits is 5598720, while the sum is 56.

The spelling of 66586299122 in words is "sixty-six billion, five hundred eighty-six million, two hundred ninety-nine thousand, one hundred twenty-two".