66211592292 has 48 divisors (see below), whose sum is σ = 172396486080. Its totient is φ = 21975799104.

The previous prime is 66211592261. The next prime is 66211592329. The reversal of 66211592292 is 29229511266.

66211592292 is a `hidden beast` number, since 6 + 621 + 15 + 9 + 2 + 2 + 9 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290438 + ... + 1340765.

It is an arithmetic number, because the mean of its divisors is an integer number (3591593460).

Almost surely, 2^66211592292 is an apocalyptic number.

It is an amenable number.

66211592292 is an abundant number, since it is smaller than the sum of its proper divisors (106184893788).

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

66211592292 is a wasteful number, since it uses less digits than its factorization.

66211592292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631449 (or 2631441 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

It can be divided in two parts, 66211 and 592292, that added together give a cube (658503 = 87³).

The spelling of 66211592292 in words is "sixty-six billion, two hundred eleven million, five hundred ninety-two thousand, two hundred ninety-two".