380018163817836 has 72 divisors (see below), whose sum is σ = 1017374606277120. Its totient is φ = 123977556975312.

The previous prime is 380018163817823. The next prime is 380018163817843. The reversal of 380018163817836 is 638718361810083.

380018163817836 is a `hidden beast` number, since 3 + 8 + 0 + 0 + 181 + 6 + 381 + 78 + 3 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4159158456 + ... + 4159249823.

It is an arithmetic number, because the mean of its divisors is an integer number (14130202864960).

Almost surely, 2^{380018163817836} is an apocalyptic number.

380018163817836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

380018163817836 is an abundant number, since it is smaller than the sum of its proper divisors (637356442459284).

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

380018163817836 is a wasteful number, since it uses less digits than its factorization.

380018163817836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318408345 (or 8318408331 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 380018163817836 in words is "three hundred eighty trillion, eighteen billion, one hundred sixty-three million, eight hundred seventeen thousand, eight hundred thirty-six".