8168434044636 has 96 divisors (see below), whose sum is σ = 19258021956096. Its totient is φ = 2694601728000.

The previous prime is 8168434044599. The next prime is 8168434044677. The reversal of 8168434044636 is 6364404348618.

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 31 ways as a sum of consecutive naturals, for example, 945306876 + ... + 945315516.

It is an arithmetic number, because the mean of its divisors is an integer number (200604395376).

Almost surely, 2^{8168434044636} is an apocalyptic number.

It is an amenable number.

8168434044636 is an abundant number, since it is smaller than the sum of its proper divisors (11089587911460).

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

8168434044636 is a wasteful number, since it uses less digits than its factorization.

8168434044636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363 (or 10361 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 57.

The spelling of 8168434044636 in words is "eight trillion, one hundred sixty-eight billion, four hundred thirty-four million, forty-four thousand, six hundred thirty-six".