161166884 has 12 divisors (see below), whose sum is σ = 282308208. Its totient is φ = 80507400.

The previous prime is 161166871. The next prime is 161166899. The reversal of 161166884 is 488661161.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14102 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (23525684).

Almost surely, 2^161166884 is an apocalyptic number.

It is an amenable number.

161166884 is a deficient number, since it is larger than the sum of its proper divisors (121141324).

161166884 is a wasteful number, since it uses less digits than its factorization.

161166884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38026 (or 38024 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 161166884 is about 12695.1519880622. The cubic root of 161166884 is about 544.2000822906.

The spelling of 161166884 in words is "one hundred sixty-one million, one hundred sixty-six thousand, eight hundred eighty-four".