944974161 has 16 divisors (see below), whose sum is σ = 1400617920. Its totient is φ = 629687520.

The previous prime is 944974111. The next prime is 944974169. The reversal of 944974161 is 161479449.

It is not a de Polignac number, because 944974161 - 2¹⁴ = 944957777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (944974169) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61126 + ... + 75008.

It is an arithmetic number, because the mean of its divisors is an integer number (87538620).

Almost surely, 2^944974161 is an apocalyptic number.

It is an amenable number.

944974161 is a deficient number, since it is larger than the sum of its proper divisors (455643759).

944974161 is a wasteful number, since it uses less digits than its factorization.

944974161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413 (or 16407 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 944974161 is about 30740.4320236395. The cubic root of 944974161 is about 981.3109489452.

The spelling of 944974161 in words is "nine hundred forty-four million, nine hundred seventy-four thousand, one hundred sixty-one".