944633161 has 4 divisors (see below), whose sum is σ = 985704192. Its totient is φ = 903562132.

The previous prime is 944633149. The next prime is 944633197. The reversal of 944633161 is 161336449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944633161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944633161.

It is not an unprimeable number, because it can be changed into a prime (944633141) 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, 20535481 + ... + 20535526.

It is an arithmetic number, because the mean of its divisors is an integer number (246426048).

Almost surely, 2^944633161 is an apocalyptic number.

It is an amenable number.

944633161 is a deficient number, since it is larger than the sum of its proper divisors (41071031).

944633161 is a wasteful number, since it uses less digits than its factorization.

944633161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071030.

The product of its digits is 46656, while the sum is 37.

The square root of 944633161 is about 30734.8850819391. The cubic root of 944633161 is about 981.1928972896.

The spelling of 944633161 in words is "nine hundred forty-four million, six hundred thirty-three thousand, one hundred sixty-one".