181527940848 has 40 divisors (see below), whose sum is σ = 468963319248. Its totient is φ = 60507231232.

The previous prime is 181527940829. The next prime is 181527940849. The reversal of 181527940848 is 848049725181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181527940849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058886 + ... + 2145242.

Almost surely, 2^181527940848 is an apocalyptic number.

It is an amenable number.

181527940848 is an abundant number, since it is smaller than the sum of its proper divisors (287435378400).

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

181527940848 is a wasteful number, since it uses less digits than its factorization.

181527940848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130161 (or 130155 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 181527940848 in words is "one hundred eighty-one billion, five hundred twenty-seven million, nine hundred forty thousand, eight hundred forty-eight".