44605630161 has 6 divisors (see below), whose sum is σ = 64430354690. Its totient is φ = 29737086768.

The previous prime is 44605630109. The next prime is 44605630163. The reversal of 44605630161 is 16103650644.

It is a happy number.

44605630161 is a `hidden beast` number, since 4 + 4 + 6 + 0 + 5 + 630 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44510450625 + 95179536 = 210975^2 + 9756^2 .

It is not a de Polignac number, because 44605630161 - 2¹⁰ = 44605629137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44605630163) 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 5 ways as a sum of consecutive naturals, for example, 2478090556 + ... + 2478090573.

Almost surely, 2^44605630161 is an apocalyptic number.

It is an amenable number.

44605630161 is a deficient number, since it is larger than the sum of its proper divisors (19824724529).

44605630161 is a wasteful number, since it uses less digits than its factorization.

44605630161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956181135 (or 4956181132 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 44605630161 in words is "forty-four billion, six hundred five million, six hundred thirty thousand, one hundred sixty-one".