37990493163 has 72 divisors (see below), whose sum is σ = 65475091968. Its totient is φ = 21153309408.

The previous prime is 37990493137. The next prime is 37990493209. The reversal of 37990493163 is 36139409973.

37990493163 is a `hidden beast` number, since 3 + 7 + 9 + 90 + 493 + 1 + 63 = 666.

It is not a de Polignac number, because 37990493163 - 2⁹ = 37990492651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37990493063) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8777706 + ... + 8782032.

Almost surely, 2^37990493163 is an apocalyptic number.

37990493163 is a deficient number, since it is larger than the sum of its proper divisors (27484598805).

37990493163 is a wasteful number, since it uses less digits than its factorization.

37990493163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4843 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 54.

The spelling of 37990493163 in words is "thirty-seven billion, nine hundred ninety million, four hundred ninety-three thousand, one hundred sixty-three".