627990164663 has 2 divisors, whose sum is σ = 627990164664. Its totient is φ = 627990164662.

The previous prime is 627990164617. The next prime is 627990164699. The reversal of 627990164663 is 366461099726.

627990164663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627990164663 - 2³⁴ = 610810295479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627990169663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313995082331 + 313995082332.

It is an arithmetic number, because the mean of its divisors is an integer number (313995082332).

Almost surely, 2^627990164663 is an apocalyptic number.

627990164663 is a deficient number, since it is larger than the sum of its proper divisors (1).

627990164663 is an equidigital number, since it uses as much as digits as its factorization.

627990164663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 627990164663 in words is "six hundred twenty-seven billion, nine hundred ninety million, one hundred sixty-four thousand, six hundred sixty-three".