668462330 has 16 divisors (see below), whose sum is σ = 1223627040. Its totient is φ = 262852752.

The previous prime is 668462323. The next prime is 668462407. The reversal of 668462330 is 33264866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565904 + ... + 567083.

It is an arithmetic number, because the mean of its divisors is an integer number (76476690).

Almost surely, 2^668462330 is an apocalyptic number.

668462330 is a deficient number, since it is larger than the sum of its proper divisors (555164710).

668462330 is a wasteful number, since it uses less digits than its factorization.

668462330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133053.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 668462330 is about 25854.6384619859. The cubic root of 668462330 is about 874.3640897981.

The spelling of 668462330 in words is "six hundred sixty-eight million, four hundred sixty-two thousand, three hundred thirty".