66674040334 has 32 divisors (see below), whose sum is σ = 109573832160. Its totient is φ = 30175728000.

The previous prime is 66674040319. The next prime is 66674040347. The reversal of 66674040334 is 43304047666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19533612 + ... + 19537024.

It is an arithmetic number, because the mean of its divisors is an integer number (3424182255).

Almost surely, 2^66674040334 is an apocalyptic number.

66674040334 is a deficient number, since it is larger than the sum of its proper divisors (42899791826).

66674040334 is a wasteful number, since it uses less digits than its factorization.

66674040334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 66674040334 in words is "sixty-six billion, six hundred seventy-four million, forty thousand, three hundred thirty-four".