180385760808256 has 112 divisors (see below), whose sum is σ = 385754928768000. Its totient is φ = 83387438604288.

The previous prime is 180385760808229. The next prime is 180385760808287. The reversal of 180385760808256 is 652808067583081.

It is a junction number, because it is equal to n+sod(n) for n = 180385760808191 and 180385760808200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11605945 + ... + 22259143.

Almost surely, 2^{180385760808256} is an apocalyptic number.

180385760808256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180385760808256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192877464384000).

180385760808256 is an abundant number, since it is smaller than the sum of its proper divisors (205369167959744).

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

180385760808256 is a wasteful number, since it uses less digits than its factorization.

180385760808256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653504 (or 10653494 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 67.

The spelling of 180385760808256 in words is "one hundred eighty trillion, three hundred eighty-five billion, seven hundred sixty million, eight hundred eight thousand, two hundred fifty-six".