161266944 has 36 divisors (see below), whose sum is σ = 429207296. Its totient is φ = 53755392.

The previous prime is 161266921. The next prime is 161266993. The reversal of 161266944 is 449662161.

161266944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 104224 + ... + 105759.

Almost surely, 2^161266944 is an apocalyptic number.

It is an amenable number.

161266944 is an abundant number, since it is smaller than the sum of its proper divisors (267940352).

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

161266944 is an equidigital number, since it uses as much as digits as its factorization.

161266944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210002 (or 209988 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 161266944 is about 12699.0922510233. The cubic root of 161266944 is about 544.3126806810.

The spelling of 161266944 in words is "one hundred sixty-one million, two hundred sixty-six thousand, nine hundred forty-four".