168182380 has 12 divisors (see below), whose sum is σ = 353183040. Its totient is φ = 67272944.

The previous prime is 168182327. The next prime is 168182381. The reversal of 168182380 is 83281861.

It is not an unprimeable number, because it can be changed into a prime (168182381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204540 + ... + 4204579.

It is an arithmetic number, because the mean of its divisors is an integer number (29431920).

Almost surely, 2^168182380 is an apocalyptic number.

168182380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168182380 is an abundant number, since it is smaller than the sum of its proper divisors (185000660).

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

168182380 is a wasteful number, since it uses less digits than its factorization.

168182380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409128 (or 8409126 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 168182380 is about 12968.5149496772. The cubic root of 168182380 is about 551.9844347288.

The spelling of 168182380 in words is "one hundred sixty-eight million, one hundred eighty-two thousand, three hundred eighty".