944043481161 has 27 divisors (see below), whose sum is σ = 1498904149197. Its totient is φ = 572128131960.

The previous prime is 944043481127. The next prime is 944043481229. The reversal of 944043481161 is 161184340449.

The square root of 944043481161 is 971619.

It is a perfect power (a square), and thus also a powerful number.

944043481161 is a `hidden beast` number, since 9 + 4 + 4 + 0 + 4 + 3 + 481 + 161 = 666.

It is not a de Polignac number, because 944043481161 - 2²⁵ = 944009926729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944043481561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32048706 + ... + 32078148.

Almost surely, 2^944043481161 is an apocalyptic number.

944043481161 is the 971619-th square number.

944043481161 is the 485810-th centered octagonal number.

It is an amenable number.

944043481161 is a deficient number, since it is larger than the sum of its proper divisors (554860668036).

944043481161 is an frugal number, since it uses more digits than its factorization.

944043481161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58914 (or 29457 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 944043481161 in words is "nine hundred forty-four billion, forty-three million, four hundred eighty-one thousand, one hundred sixty-one".