168924972 has 48 divisors (see below), whose sum is σ = 432956160. Its totient is φ = 51023808.

The previous prime is 168924901. The next prime is 168924979. The reversal of 168924972 is 279429861.

It is not an unprimeable number, because it can be changed into a prime (168924979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10863 + ... + 21350.

It is an arithmetic number, because the mean of its divisors is an integer number (9019920).

Almost surely, 2^168924972 is an apocalyptic number.

168924972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168924972 is an abundant number, since it is smaller than the sum of its proper divisors (264031188).

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

168924972 is a wasteful number, since it uses less digits than its factorization.

168924972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32262 (or 32260 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 168924972 is about 12997.1139873435. The cubic root of 168924972 is about 552.7956521139.

The spelling of 168924972 in words is "one hundred sixty-eight million, nine hundred twenty-four thousand, nine hundred seventy-two".