181066632 has 16 divisors (see below), whose sum is σ = 452666640. Its totient is φ = 60355536.

The previous prime is 181066573. The next prime is 181066651. The reversal of 181066632 is 236660181.

181066632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 181066593 and 181066602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3772198 + ... + 3772245.

It is an arithmetic number, because the mean of its divisors is an integer number (28291665).

Almost surely, 2^181066632 is an apocalyptic number.

181066632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

181066632 is an abundant number, since it is smaller than the sum of its proper divisors (271600008).

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

181066632 is a wasteful number, since it uses less digits than its factorization.

181066632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544452 (or 7544448 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 181066632 is about 13456.1001779862. The cubic root of 181066632 is about 565.7346873427.

The spelling of 181066632 in words is "one hundred eighty-one million, sixty-six thousand, six hundred thirty-two".