168849412236 has 36 divisors (see below), whose sum is σ = 438349303392. Its totient is φ = 54761971104.

The previous prime is 168849412229. The next prime is 168849412243. The reversal of 168849412236 is 632214948861.

168849412236 is a `hidden beast` number, since 168 + 8 + 49 + 412 + 23 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (168849412229) and next prime (168849412243).

It is a tau number, because it is divible by the number of its divisors (36).

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, 63380580 + ... + 63383243.

Almost surely, 2^168849412236 is an apocalyptic number.

It is an amenable number.

168849412236 is an abundant number, since it is smaller than the sum of its proper divisors (269499891156).

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

168849412236 is a wasteful number, since it uses less digits than its factorization.

168849412236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126763870 (or 126763865 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 168849412236 in words is "one hundred sixty-eight billion, eight hundred forty-nine million, four hundred twelve thousand, two hundred thirty-six".