668367932 has 12 divisors (see below), whose sum is σ = 1170212736. Its totient is φ = 334021440.

The previous prime is 668367913. The next prime is 668367941. The reversal of 668367932 is 239763866.

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, 31133 + ... + 48020.

It is an arithmetic number, because the mean of its divisors is an integer number (97517728).

Almost surely, 2^668367932 is an apocalyptic number.

It is an amenable number.

668367932 is a deficient number, since it is larger than the sum of its proper divisors (501844804).

668367932 is a wasteful number, since it uses less digits than its factorization.

668367932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81268 (or 81266 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 50.

The square root of 668367932 is about 25852.8128450271. The cubic root of 668367932 is about 874.3229296094.

The spelling of 668367932 in words is "six hundred sixty-eight million, three hundred sixty-seven thousand, nine hundred thirty-two".