161166232 has 16 divisors (see below), whose sum is σ = 303062760. Its totient is φ = 80349504.

The previous prime is 161166169. The next prime is 161166233. The reversal of 161166232 is 232661161.

161166232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161166232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161166233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26253 + ... + 31804.

Almost surely, 2^161166232 is an apocalyptic number.

It is an amenable number.

161166232 is a deficient number, since it is larger than the sum of its proper divisors (141896528).

161166232 is a wasteful number, since it uses less digits than its factorization.

161166232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58410 (or 58406 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 161166232 is about 12695.1263089423. The cubic root of 161166232 is about 544.1993484365.

The spelling of 161166232 in words is "one hundred sixty-one million, one hundred sixty-six thousand, two hundred thirty-two".