168401792 has 32 divisors (see below), whose sum is σ = 361298280. Its totient is φ = 77723136.

The previous prime is 168401773. The next prime is 168401867. The reversal of 168401792 is 297104861.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×168401792² = 56718327097622528, which 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 3 ways as a sum of consecutive naturals, for example, 48938 + ... + 52265.

Almost surely, 2^168401792 is an apocalyptic number.

It is an amenable number.

168401792 is an abundant number, since it is smaller than the sum of its proper divisors (192896488).

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

168401792 is a wasteful number, since it uses less digits than its factorization.

168401792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101230 (or 101218 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 168401792 is about 12976.9716035753. The cubic root of 168401792 is about 552.2243714353.

The spelling of 168401792 in words is "one hundred sixty-eight million, four hundred one thousand, seven hundred ninety-two".