37664251942768 has 40 divisors (see below), whose sum is σ = 79789873299840. Its totient is φ = 17081116501440.

The previous prime is 37664251942753. The next prime is 37664251942781. The reversal of 37664251942768 is 86724915246673.

It is a junction number, because it is equal to n+sod(n) for n = 37664251942697 and 37664251942706.

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, 243660130 + ... + 243814657.

It is an arithmetic number, because the mean of its divisors is an integer number (1994746832496).

Almost surely, 2^{37664251942768} is an apocalyptic number.

It is an amenable number.

37664251942768 is an abundant number, since it is smaller than the sum of its proper divisors (42125621357072).

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

37664251942768 is a wasteful number, since it uses less digits than its factorization.

37664251942768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487475245 (or 487475239 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 70.

The spelling of 37664251942768 in words is "thirty-seven trillion, six hundred sixty-four billion, two hundred fifty-one million, nine hundred forty-two thousand, seven hundred sixty-eight".