668240600 has 24 divisors (see below), whose sum is σ = 1553659860. Its totient is φ = 267296160.

The previous prime is 668240593. The next prime is 668240669. The reversal of 668240600 is 6042866.

It is a happy number.

668240600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1670402 + ... + 1670801.

Almost surely, 2^668240600 is an apocalyptic number.

It is an amenable number.

668240600 is an abundant number, since it is smaller than the sum of its proper divisors (885419260).

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

668240600 is a wasteful number, since it uses less digits than its factorization.

668240600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341219 (or 3341210 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 668240600 is about 25850.3500943411. The cubic root of 668240600 is about 874.2674031284.

The spelling of 668240600 in words is "six hundred sixty-eight million, two hundred forty thousand, six hundred".