66146912292 has 24 divisors (see below), whose sum is σ = 156516639552. Its totient is φ = 21738421600.

The previous prime is 66146912281. The next prime is 66146912309. The reversal of 66146912292 is 29221964166.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 38817759 + ... + 38819462.

It is an arithmetic number, because the mean of its divisors is an integer number (6521526648).

Almost surely, 2^66146912292 is an apocalyptic number.

It is an amenable number.

66146912292 is an abundant number, since it is smaller than the sum of its proper divisors (90369727260).

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

66146912292 is a wasteful number, since it uses less digits than its factorization.

66146912292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77637299 (or 77637297 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 66146912292 in words is "sixty-six billion, one hundred forty-six million, nine hundred twelve thousand, two hundred ninety-two".