181696960 has 56 divisors (see below), whose sum is σ = 437942736. Its totient is φ = 71792640.

The previous prime is 181696951. The next prime is 181696961. The reversal of 181696960 is 69696181.

It is a self number, because there is not a number n which added to its sum of digits gives 181696960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181696961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23140 + ... + 29980.

It is an arithmetic number, because the mean of its divisors is an integer number (7820406).

Almost surely, 2^181696960 is an apocalyptic number.

181696960 is a gapful number since it is divisible by the number (10) 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 181696960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218971368).

181696960 is an abundant number, since it is smaller than the sum of its proper divisors (256245776).

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

181696960 is an equidigital number, since it uses as much as digits as its factorization.

181696960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941 (or 6931 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 181696960 is about 13479.5014744611. The cubic root of 181696960 is about 566.3904043615.

The spelling of 181696960 in words is "one hundred eighty-one million, six hundred ninety-six thousand, nine hundred sixty".