627990164637 has 16 divisors (see below), whose sum is σ = 913520036352. Its totient is φ = 380566851120.

The previous prime is 627990164617. The next prime is 627990164663. The reversal of 627990164637 is 736461099726.

It is not a de Polignac number, because 627990164637 - 2¹⁸ = 627989902493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627990164617) 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 15 ways as a sum of consecutive naturals, for example, 445063 + ... + 1205844.

It is an arithmetic number, because the mean of its divisors is an integer number (57095002272).

Almost surely, 2^627990164637 is an apocalyptic number.

It is an amenable number.

627990164637 is a deficient number, since it is larger than the sum of its proper divisors (285529871715).

627990164637 is a wasteful number, since it uses less digits than its factorization.

627990164637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662448.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 627990164637 in words is "six hundred twenty-seven billion, nine hundred ninety million, one hundred sixty-four thousand, six hundred thirty-seven".