668033580846 has 8 divisors (see below), whose sum is σ = 1336067161704. Its totient is φ = 222677860280.

The previous prime is 668033580817. The next prime is 668033580857. The reversal of 668033580846 is 648085330866.

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

668033580846 is an admirable number.

It is a congruent number.

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, 55669465065 + ... + 55669465076.

It is an arithmetic number, because the mean of its divisors is an integer number (167008395213).

Almost surely, 2^668033580846 is an apocalyptic number.

668033580846 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.

668033580846 is a wasteful number, since it uses less digits than its factorization.

668033580846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111338930146.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 668033580846 in words is "six hundred sixty-eight billion, thirty-three million, five hundred eighty thousand, eight hundred forty-six".