668088202 has 8 divisors (see below), whose sum is σ = 1061081316. Its totient is φ = 314394432.

The previous prime is 668088193. The next prime is 668088233. The reversal of 668088202 is 202880866.

It can be written as a sum of positive squares in 2 ways, for example, as 667653921 + 434281 = 25839^2 + 659^2 .

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

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, 9824793 + ... + 9824860.

Almost surely, 2^668088202 is an apocalyptic number.

668088202 is a deficient number, since it is larger than the sum of its proper divisors (392993114).

668088202 is a wasteful number, since it uses less digits than its factorization.

668088202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649672.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 668088202 is about 25847.4022292377. The cubic root of 668088202 is about 874.2009366822.

The spelling of 668088202 in words is "six hundred sixty-eight million, eighty-eight thousand, two hundred two".