161610944 has 28 divisors (see below), whose sum is σ = 349852488. Its totient is φ = 73459200.

The previous prime is 161610937. The next prime is 161610973. The reversal of 161610944 is 449016161.

It is a happy number.

161610944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161610944² = 52236194441142272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 161610944.

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, 114077 + ... + 115484.

Almost surely, 2^161610944 is an apocalyptic number.

It is an amenable number.

161610944 is an abundant number, since it is smaller than the sum of its proper divisors (188241544).

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

161610944 is a wasteful number, since it uses less digits than its factorization.

161610944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229584 (or 229574 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 161610944 is about 12712.6293110434. The cubic root of 161610944 is about 544.6994319438.

The spelling of 161610944 in words is "one hundred sixty-one million, six hundred ten thousand, nine hundred forty-four".