37664505544 has 32 divisors (see below), whose sum is σ = 72276261120. Its totient is φ = 18394024896.

The previous prime is 37664505469. The next prime is 37664505553. The reversal of 37664505544 is 44550546673.

It is a super-2 number, since 2×37664505544² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 104622 + ... + 293725.

It is an arithmetic number, because the mean of its divisors is an integer number (2258633160).

Almost surely, 2^37664505544 is an apocalyptic number.

It is an amenable number.

37664505544 is a deficient number, since it is larger than the sum of its proper divisors (34611755576).

37664505544 is a wasteful number, since it uses less digits than its factorization.

37664505544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398629 (or 398625 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 37664505544 in words is "thirty-seven billion, six hundred sixty-four million, five hundred five thousand, five hundred forty-four".