668034162631 has 8 divisors (see below), whose sum is σ = 728785854864. Its totient is φ = 607286022720.

The previous prime is 668034162629. The next prime is 668034162641. The reversal of 668034162631 is 136261430866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 668034162631 - 2¹ = 668034162629 is a prime.

It is a super-2 number, since 2×668034162631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668034162641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486990 + ... + 1254283.

It is an arithmetic number, because the mean of its divisors is an integer number (91098231858).

Almost surely, 2^668034162631 is an apocalyptic number.

668034162631 is a deficient number, since it is larger than the sum of its proper divisors (60751692233).

668034162631 is a wasteful number, since it uses less digits than its factorization.

668034162631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776161.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 668034162631 in words is "six hundred sixty-eight billion, thirty-four million, one hundred sixty-two thousand, six hundred thirty-one".