44663164161 has 128 divisors (see below), whose sum is σ = 79626240000. Its totient is φ = 21585312000.

The previous prime is 44663164157. The next prime is 44663164163. The reversal of 44663164161 is 16146136644.

It is not a de Polignac number, because 44663164161 - 2² = 44663164157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44663164163) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 89505090 + ... + 89505588.

It is an arithmetic number, because the mean of its divisors is an integer number (622080000).

Almost surely, 2^44663164161 is an apocalyptic number.

It is an amenable number.

44663164161 is a deficient number, since it is larger than the sum of its proper divisors (34963075839).

44663164161 is a wasteful number, since it uses less digits than its factorization.

44663164161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 248832, while the sum is 42.

The spelling of 44663164161 in words is "forty-four billion, six hundred sixty-three million, one hundred sixty-four thousand, one hundred sixty-one".