66677565922 has 32 divisors (see below), whose sum is σ = 110681634240. Its totient is φ = 29871659520.

The previous prime is 66677565907. The next prime is 66677565931. The reversal of 66677565922 is 22956577666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377393 + ... + 2405275.

It is an arithmetic number, because the mean of its divisors is an integer number (3458801070).

Almost surely, 2^66677565922 is an apocalyptic number.

66677565922 is a deficient number, since it is larger than the sum of its proper divisors (44004068318).

66677565922 is a wasteful number, since it uses less digits than its factorization.

66677565922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458.

The product of its digits is 57153600, while the sum is 61.

The spelling of 66677565922 in words is "sixty-six billion, six hundred seventy-seven million, five hundred sixty-five thousand, nine hundred twenty-two".