816182380 has 48 divisors (see below), whose sum is σ = 1909494720. Its totient is φ = 290965248.

The previous prime is 816182377. The next prime is 816182383. The reversal of 816182380 is 83281618.

816182380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (816182377) and next prime (816182383).

It is not an unprimeable number, because it can be changed into a prime (816182383) 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, 46584 + ... + 61663.

It is an arithmetic number, because the mean of its divisors is an integer number (39781140).

Almost surely, 2^816182380 is an apocalyptic number.

It is an amenable number.

816182380 is an abundant number, since it is smaller than the sum of its proper divisors (1093312340).

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

816182380 is a wasteful number, since it uses less digits than its factorization.

816182380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108298 (or 108296 counting only the distinct ones).

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

The square root of 816182380 is about 28568.9058243399. The cubic root of 816182380 is about 934.5353597099.

The spelling of 816182380 in words is "eight hundred sixteen million, one hundred eighty-two thousand, three hundred eighty".