668050898586 has 16 divisors (see below), whose sum is σ = 1336381198464. Its totient is φ = 222637065984.

The previous prime is 668050898563. The next prime is 668050898591. The reversal of 668050898586 is 685898050866.

It is a self number, because there is not a number n which added to its sum of digits gives 668050898586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11610631 + ... + 11668026.

It is an arithmetic number, because the mean of its divisors is an integer number (83523824904).

Almost surely, 2^668050898586 is an apocalyptic number.

668050898586 is an abundant number, since it is smaller than the sum of its proper divisors (668330299878).

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

668050898586 is a wasteful number, since it uses less digits than its factorization.

668050898586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23283445.

The product of its (nonzero) digits is 199065600, while the sum is 69.

The spelling of 668050898586 in words is "six hundred sixty-eight billion, fifty million, eight hundred ninety-eight thousand, five hundred eighty-six".