66358898286 has 32 divisors (see below), whose sum is σ = 139724511360. Its totient is φ = 20952206496.

The previous prime is 66358898261. The next prime is 66358898297. The reversal of 66358898286 is 68289885366.

It is a self number, because there is not a number n which added to its sum of digits gives 66358898286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759660 + ... + 842496.

It is an arithmetic number, because the mean of its divisors is an integer number (4366390980).

Almost surely, 2^66358898286 is an apocalyptic number.

66358898286 is an abundant number, since it is smaller than the sum of its proper divisors (73365613074).

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

66358898286 is a wasteful number, since it uses less digits than its factorization.

66358898286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89888.

The product of its digits is 238878720, while the sum is 69.

The spelling of 66358898286 in words is "sixty-six billion, three hundred fifty-eight million, eight hundred ninety-eight thousand, two hundred eighty-six".