600640668 has 36 divisors (see below), whose sum is σ = 1607598720. Its totient is φ = 188436096.

The previous prime is 600640627. The next prime is 600640723. The reversal of 600640668 is 866046006.

600640668 is a `hidden beast` number, since 6 + 0 + 0 + 640 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490108 + ... + 491331.

It is an arithmetic number, because the mean of its divisors is an integer number (44655520).

Almost surely, 2^600640668 is an apocalyptic number.

600640668 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

600640668 is an abundant number, since it is smaller than the sum of its proper divisors (1006958052).

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

600640668 is a wasteful number, since it uses less digits than its factorization.

600640668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981466 (or 981461 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 600640668 is about 24507.9715194873. The cubic root of 600640668 is about 843.7327586930.

The spelling of 600640668 in words is "six hundred million, six hundred forty thousand, six hundred sixty-eight".