181968088 has 64 divisors (see below), whose sum is σ = 369388800. Its totient is φ = 83825280.

The previous prime is 181968077. The next prime is 181968089. The reversal of 181968088 is 880869181.

181968088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×181968088² = 66224770100751488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181968089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862303 + ... + 862513.

It is an arithmetic number, because the mean of its divisors is an integer number (5771700).

Almost surely, 2^181968088 is an apocalyptic number.

It is an amenable number.

181968088 is an abundant number, since it is smaller than the sum of its proper divisors (187420712).

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

181968088 is a wasteful number, since it uses less digits than its factorization.

181968088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 49.

The square root of 181968088 is about 13489.5547739723. The cubic root of 181968088 is about 566.6719867244.

The spelling of 181968088 in words is "one hundred eighty-one million, nine hundred sixty-eight thousand, eighty-eight".