37800813668 has 6 divisors (see below), whose sum is σ = 66151423926. Its totient is φ = 18900406832.

The previous prime is 37800813653. The next prime is 37800813703. The reversal of 37800813668 is 86631800873.

It can be written as a sum of positive squares in only one way, i.e., 35256821824 + 2543991844 = 187768^2 + 50438^2 .

It is a super-2 number, since 2×37800813668² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4725101705 + ... + 4725101712.

It is an arithmetic number, because the mean of its divisors is an integer number (11025237321).

Almost surely, 2^37800813668 is an apocalyptic number.

It is an amenable number.

37800813668 is a deficient number, since it is larger than the sum of its proper divisors (28350610258).

37800813668 is a wasteful number, since it uses less digits than its factorization.

37800813668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450203421 (or 9450203419 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 37800813668 in words is "thirty-seven billion, eight hundred million, eight hundred thirteen thousand, six hundred sixty-eight".