168973896 has 64 divisors (see below), whose sum is σ = 519926400. Its totient is φ = 44563968.

The previous prime is 168973891. The next prime is 168973907. The reversal of 168973896 is 698379861.

It is not an unprimeable number, because it can be changed into a prime (168973891) 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, 36501 + ... + 40868.

It is an arithmetic number, because the mean of its divisors is an integer number (8123850).

Almost surely, 2^168973896 is an apocalyptic number.

It is an amenable number.

168973896 is an abundant number, since it is smaller than the sum of its proper divisors (350952504).

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

168973896 is a wasteful number, since it uses less digits than its factorization.

168973896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77398 (or 77394 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 168973896 is about 12998.9959612272. The cubic root of 168973896 is about 552.8490138000.

The spelling of 168973896 in words is "one hundred sixty-eight million, nine hundred seventy-three thousand, eight hundred ninety-six".