168108400 has 30 divisors (see below), whose sum is σ = 403881392. Its totient is φ = 67243200.

The previous prime is 168108397. The next prime is 168108401. The reversal of 168108400 is 4801861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168108401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209736 + ... + 210535.

Almost surely, 2^168108400 is an apocalyptic number.

168108400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168108400 is an abundant number, since it is smaller than the sum of its proper divisors (235772992).

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

168108400 is a wasteful number, since it uses less digits than its factorization.

168108400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420289 (or 420278 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 168108400 is about 12965.6623432820. The cubic root of 168108400 is about 551.9034872923.

The spelling of 168108400 in words is "one hundred sixty-eight million, one hundred eight thousand, four hundred".