66707073373404 has 24 divisors (see below), whose sum is σ = 157190925377808. Its totient is φ = 22015535766400.

The previous prime is 66707073373397. The next prime is 66707073373411. The reversal of 66707073373404 is 40437337070766.

It is an interprime number because it is at equal distance from previous prime (66707073373397) and next prime (66707073373411).

It is a congruent 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, 27519418497 + ... + 27519420920.

It is an arithmetic number, because the mean of its divisors is an integer number (6549621890742).

Almost surely, 2^{66707073373404} is an apocalyptic number.

It is an amenable number.

66707073373404 is an abundant number, since it is smaller than the sum of its proper divisors (90483852004404).

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

66707073373404 is a wasteful number, since it uses less digits than its factorization.

66707073373404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55038839525 (or 55038839523 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 57.

The spelling of 66707073373404 in words is "sixty-six trillion, seven hundred seven billion, seventy-three million, three hundred seventy-three thousand, four hundred four".