161300444 has 12 divisors (see below), whose sum is σ = 282386664. Its totient is φ = 80618544.

The previous prime is 161300441. The next prime is 161300473. The reversal of 161300444 is 444003161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161300441) 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, 6422 + ... + 19074.

It is an arithmetic number, because the mean of its divisors is an integer number (23532222).

Almost surely, 2^161300444 is an apocalyptic number.

It is an amenable number.

161300444 is a deficient number, since it is larger than the sum of its proper divisors (121086220).

161300444 is a wasteful number, since it uses less digits than its factorization.

161300444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844 (or 15842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 161300444 is about 12700.4111744463. The cubic root of 161300444 is about 544.3503681159.

The spelling of 161300444 in words is "one hundred sixty-one million, three hundred thousand, four hundred forty-four".