668836302 has 8 divisors (see below), whose sum is σ = 1337672616. Its totient is φ = 222945432.

The previous prime is 668836279. The next prime is 668836307. The reversal of 668836302 is 203638866.

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

668836302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668836307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55736353 + ... + 55736364.

It is an arithmetic number, because the mean of its divisors is an integer number (167209077).

Almost surely, 2^668836302 is an apocalyptic number.

668836302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

668836302 is a wasteful number, since it uses less digits than its factorization.

668836302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111472722.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 668836302 is about 25861.8696539906. The cubic root of 668836302 is about 874.5271140573.

The spelling of 668836302 in words is "six hundred sixty-eight million, eight hundred thirty-six thousand, three hundred two".