331668662 has 8 divisors (see below), whose sum is σ = 535772496. Its totient is φ = 153077832.

The previous prime is 331668641. The next prime is 331668683. The reversal of 331668662 is 266866133.

It is an interprime number because it is at equal distance from previous prime (331668641) and next prime (331668683).

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

It is a super-2 number, since 2×331668662² = 220008202705740488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378218 + ... + 6378269.

It is an arithmetic number, because the mean of its divisors is an integer number (66971562).

Almost surely, 2^331668662 is an apocalyptic number.

331668662 is a deficient number, since it is larger than the sum of its proper divisors (204103834).

331668662 is a wasteful number, since it uses less digits than its factorization.

331668662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756502.

The product of its digits is 186624, while the sum is 41.

The square root of 331668662 is about 18211.7726210273. The cubic root of 331668662 is about 692.2051289703.

The spelling of 331668662 in words is "three hundred thirty-one million, six hundred sixty-eight thousand, six hundred sixty-two".