66666743404 has 12 divisors (see below), whose sum is σ = 116670808744. Its totient is φ = 33332226624.

The previous prime is 66666743387. The next prime is 66666743417. The reversal of 66666743404 is 40434766666.

It is a hoax number, since the sum of its digits (52) 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147837 + ... + 393940.

Almost surely, 2^66666743404 is an apocalyptic number.

It is an amenable number.

66666743404 is a deficient number, since it is larger than the sum of its proper divisors (50004065340).

66666743404 is a wasteful number, since it uses less digits than its factorization.

66666743404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572544 (or 572542 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 52.

The spelling of 66666743404 in words is "sixty-six billion, six hundred sixty-six million, seven hundred forty-three thousand, four hundred four".