662920602671 has 2 divisors, whose sum is σ = 662920602672. Its totient is φ = 662920602670.

The previous prime is 662920602637. The next prime is 662920602709. The reversal of 662920602671 is 176206029266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662920602671 - 2²⁶ = 662853493807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662920602601) 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 as a sum of consecutive naturals, namely, 331460301335 + 331460301336.

It is an arithmetic number, because the mean of its divisors is an integer number (331460301336).

Almost surely, 2^662920602671 is an apocalyptic number.

662920602671 is a deficient number, since it is larger than the sum of its proper divisors (1).

662920602671 is an equidigital number, since it uses as much as digits as its factorization.

662920602671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 662920602671 in words is "six hundred sixty-two billion, nine hundred twenty million, six hundred two thousand, six hundred seventy-one".