668962124 has 6 divisors (see below), whose sum is σ = 1170683724. Its totient is φ = 334481060.

The previous prime is 668962117. The next prime is 668962157. The reversal of 668962124 is 421269866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83620262 + ... + 83620269.

It is an arithmetic number, because the mean of its divisors is an integer number (195113954).

Almost surely, 2^668962124 is an apocalyptic number.

It is an amenable number.

668962124 is a deficient number, since it is larger than the sum of its proper divisors (501721600).

668962124 is a wasteful number, since it uses less digits than its factorization.

668962124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167240535 (or 167240533 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 668962124 is about 25864.3021170106. The cubic root of 668962124 is about 874.5819495235.

The spelling of 668962124 in words is "six hundred sixty-eight million, nine hundred sixty-two thousand, one hundred twenty-four".