180968256 has 140 divisors (see below), whose sum is σ = 613204768. Its totient is φ = 51694848.

The previous prime is 180968251. The next prime is 180968261. The reversal of 180968256 is 652869081.

It is an interprime number because it is at equal distance from previous prime (180968251) and next prime (180968261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180968251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33795 + ... + 38781.

Almost surely, 2^180968256 is an apocalyptic number.

180968256 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 180968256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306602384).

180968256 is an abundant number, since it is smaller than the sum of its proper divisors (432236512).

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

180968256 is an equidigital number, since it uses as much as digits as its factorization.

180968256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 4999 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 180968256 is about 13452.4442388735. Note that the first 3 decimals coincide. The cubic root of 180968256 is about 565.6322116273.

The spelling of 180968256 in words is "one hundred eighty million, nine hundred sixty-eight thousand, two hundred fifty-six".