666737404037 has 8 divisors (see below), whose sum is σ = 668360028192. Its totient is φ = 665114965200.

The previous prime is 666737404001. The next prime is 666737404057. The reversal of 666737404037 is 730404737666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 666737404037 - 2¹⁴ = 666737387653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666737404037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666737404057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9568718 + ... + 9638144.

It is an arithmetic number, because the mean of its divisors is an integer number (83545003524).

Almost surely, 2^666737404037 is an apocalyptic number.

It is an amenable number.

666737404037 is a deficient number, since it is larger than the sum of its proper divisors (1622624155).

666737404037 is a wasteful number, since it uses less digits than its factorization.

666737404037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92659.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 666737404037 in words is "six hundred sixty-six billion, seven hundred thirty-seven million, four hundred four thousand, thirty-seven".