668802352 has 10 divisors (see below), whose sum is σ = 1295804588. Its totient is φ = 334401168.

The previous prime is 668802331. The next prime is 668802377. The reversal of 668802352 is 253208866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20900058 + ... + 20900089.

Almost surely, 2^668802352 is an apocalyptic number.

It is an amenable number.

668802352 is a deficient number, since it is larger than the sum of its proper divisors (627002236).

668802352 is a wasteful number, since it uses less digits than its factorization.

668802352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41800155 (or 41800149 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 668802352 is about 25861.2132739359. The cubic root of 668802352 is about 874.5123168651.

The spelling of 668802352 in words is "six hundred sixty-eight million, eight hundred two thousand, three hundred fifty-two".