168742703992 has 32 divisors (see below), whose sum is σ = 340798740480. Its totient is φ = 78099706080.

The previous prime is 168742703963. The next prime is 168742704017. The reversal of 168742703992 is 299307247861.

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, 14785908 + ... + 14797315.

It is an arithmetic number, because the mean of its divisors is an integer number (10649960640).

Almost surely, 2^168742703992 is an apocalyptic number.

It is an amenable number.

168742703992 is an abundant number, since it is smaller than the sum of its proper divisors (172056036488).

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

168742703992 is a wasteful number, since it uses less digits than its factorization.

168742703992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29583283 (or 29583279 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 168742703992 in words is "one hundred sixty-eight billion, seven hundred forty-two million, seven hundred three thousand, nine hundred ninety-two".