66707073404004 has 48 divisors (see below), whose sum is σ = 169801187895360. Its totient is φ = 20214102205440.

The previous prime is 66707073403987. The next prime is 66707073404021. The reversal of 66707073404004 is 40040437070766.

66707073404004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66707073403987) and next prime (66707073404021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14994012 + ... + 18927084.

It is an arithmetic number, because the mean of its divisors is an integer number (3537524747820).

Almost surely, 2^{66707073404004} is an apocalyptic number.

It is an amenable number.

66707073404004 is an abundant number, since it is smaller than the sum of its proper divisors (103094114491356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66707073404004 is a wasteful number, since it uses less digits than its factorization.

66707073404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061580 (or 4061578 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 66707073404004 in words is "sixty-six trillion, seven hundred seven billion, seventy-three million, four hundred four thousand, four".