182013868081845 has 24 divisors (see below), whose sum is σ = 315514011537816. Its totient is φ = 97066891634688.

The previous prime is 182013868081777. The next prime is 182013868081847. The reversal of 182013868081845 is 548180868310281.

182013868081845 is a `hidden beast` number, since 1 + 8 + 20 + 1 + 386 + 80 + 81 + 84 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 113980520459556 + 68033347622289 = 10676166^2 + 8248233^2 .

It is not a de Polignac number, because 182013868081845 - 2²⁰ = 182013867033269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182013868081847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148787032 + ... + 150005361.

It is an arithmetic number, because the mean of its divisors is an integer number (13146417147409).

Almost surely, 2^{182013868081845} is an apocalyptic number.

182013868081845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

182013868081845 is a deficient number, since it is larger than the sum of its proper divisors (133500143455971).

182013868081845 is a wasteful number, since it uses less digits than its factorization.

182013868081845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298805941 (or 298805938 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 63.

The spelling of 182013868081845 in words is "one hundred eighty-two trillion, thirteen billion, eight hundred sixty-eight million, eighty-one thousand, eight hundred forty-five".