66673667404 has 12 divisors (see below), whose sum is σ = 116949637728. Its totient is φ = 33259485200.

The previous prime is 66673667393. The next prime is 66673667413. The reversal of 66673667404 is 40476637666.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 19335187 + ... + 19338634.

It is an arithmetic number, because the mean of its divisors is an integer number (9745803144).

Almost surely, 2^66673667404 is an apocalyptic number.

It is an amenable number.

66673667404 is a deficient number, since it is larger than the sum of its proper divisors (50275970324).

66673667404 is a wasteful number, since it uses less digits than its factorization.

66673667404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38674256 (or 38674254 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 55.

The spelling of 66673667404 in words is "sixty-six billion, six hundred seventy-three million, six hundred sixty-seven thousand, four hundred four".