192118201686 has 12 divisors (see below), whose sum is σ = 416256103692. Its totient is φ = 64039400556.

The previous prime is 192118201507. The next prime is 192118201727. The reversal of 192118201686 is 686102811291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5336616696 + ... + 5336616731.

It is an arithmetic number, because the mean of its divisors is an integer number (34688008641).

Almost surely, 2^192118201686 is an apocalyptic number.

192118201686 is an abundant number, since it is smaller than the sum of its proper divisors (224137902006).

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

192118201686 is a wasteful number, since it uses less digits than its factorization.

192118201686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673233435 (or 10673233432 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 192118201686 in words is "one hundred ninety-two billion, one hundred eighteen million, two hundred one thousand, six hundred eighty-six".