168496692636 has 24 divisors (see below), whose sum is σ = 394399207440. Its totient is φ = 55988384512.

The previous prime is 168496692571. The next prime is 168496692647. The reversal of 168496692636 is 636296694861.

It is a super-2 number, since 2×168496692636² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22143501 + ... + 22151108.

It is an arithmetic number, because the mean of its divisors is an integer number (16433300310).

Almost surely, 2^168496692636 is an apocalyptic number.

It is an amenable number.

168496692636 is an abundant number, since it is smaller than the sum of its proper divisors (225902514804).

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

168496692636 is a wasteful number, since it uses less digits than its factorization.

168496692636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44294933 (or 44294931 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 66.

The spelling of 168496692636 in words is "one hundred sixty-eight billion, four hundred ninety-six million, six hundred ninety-two thousand, six hundred thirty-six".