66697610092 has 12 divisors (see below), whose sum is σ = 117142194400. Its totient is φ = 33228411696.

The previous prime is 66697610087. The next prime is 66697610099. The reversal of 66697610092 is 29001679666.

It is not an unprimeable number, because it can be changed into a prime (66697610099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30097092 + ... + 30099307.

Almost surely, 2^66697610092 is an apocalyptic number.

It is an amenable number.

66697610092 is a deficient number, since it is larger than the sum of its proper divisors (50444584308).

66697610092 is a wasteful number, since it uses less digits than its factorization.

66697610092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60196680 (or 60196678 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 66697610092 in words is "sixty-six billion, six hundred ninety-seven million, six hundred ten thousand, ninety-two".