68199699186 has 24 divisors (see below), whose sum is σ = 149971480464. Its totient is φ = 22393930680.

The previous prime is 68199699167. The next prime is 68199699229.

68199699186 is nontrivially palindromic in base 10.

68199699186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 28273960 + ... + 28276371.

It is an arithmetic number, because the mean of its divisors is an integer number (6248811686).

Almost surely, 2^68199699186 is an apocalyptic number.

68199699186 is an abundant number, since it is smaller than the sum of its proper divisors (81771781278).

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

68199699186 is a wasteful number, since it uses less digits than its factorization.

68199699186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56550406 (or 56550403 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 72.

The spelling of 68199699186 in words is "sixty-eight billion, one hundred ninety-nine million, six hundred ninety-nine thousand, one hundred eighty-six".