182115820 has 12 divisors (see below), whose sum is σ = 382443264. Its totient is φ = 72846320.

The previous prime is 182115797. The next prime is 182115821. The reversal of 182115820 is 28511281.

It is not an unprimeable number, because it can be changed into a prime (182115821) 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, 4552876 + ... + 4552915.

It is an arithmetic number, because the mean of its divisors is an integer number (31870272).

Almost surely, 2^182115820 is an apocalyptic number.

182115820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182115820 is an abundant number, since it is smaller than the sum of its proper divisors (200327444).

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

182115820 is a wasteful number, since it uses less digits than its factorization.

182115820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105800 (or 9105798 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 182115820 is about 13495.0294553217. The cubic root of 182115820 is about 566.8252973809.

The spelling of 182115820 in words is "one hundred eighty-two million, one hundred fifteen thousand, eight hundred twenty".