66674006674 has 16 divisors (see below), whose sum is σ = 114845179680. Its totient is φ = 28711294560.

The previous prime is 66674006669. The next prime is 66674006687. The reversal of 66674006674 is 47660047666.

It is a happy number.

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, 79753179 + ... + 79754014.

It is an arithmetic number, because the mean of its divisors is an integer number (7177823730).

Almost surely, 2^66674006674 is an apocalyptic number.

66674006674 is a deficient number, since it is larger than the sum of its proper divisors (48171173006).

66674006674 is a wasteful number, since it uses less digits than its factorization.

66674006674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159507225.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 66674006674 in words is "sixty-six billion, six hundred seventy-four million, six thousand, six hundred seventy-four".