168904496 has 20 divisors (see below), whose sum is σ = 328664232. Its totient is φ = 84087936.

The previous prime is 168904487. The next prime is 168904507. The reversal of 168904496 is 694409861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 168904496.

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, 18926 + ... + 26381.

Almost surely, 2^168904496 is an apocalyptic number.

168904496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168904496 is a deficient number, since it is larger than the sum of its proper divisors (159759736).

168904496 is a wasteful number, since it uses less digits than its factorization.

168904496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45548 (or 45542 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 168904496 is about 12996.3262501370. The cubic root of 168904496 is about 552.7733157654.

The spelling of 168904496 in words is "one hundred sixty-eight million, nine hundred four thousand, four hundred ninety-six".