44266401465161 has 2 divisors, whose sum is σ = 44266401465162. Its totient is φ = 44266401465160.

The previous prime is 44266401465031. The next prime is 44266401465217. The reversal of 44266401465161 is 16156410466244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23223483855625 + 21042917609536 = 4819075^2 + 4587256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44266401465161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44266401465361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22133200732580 + 22133200732581.

It is an arithmetic number, because the mean of its divisors is an integer number (22133200732581).

Almost surely, 2^{44266401465161} is an apocalyptic number.

It is an amenable number.

44266401465161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44266401465161 is an equidigital number, since it uses as much as digits as its factorization.

44266401465161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 44266401465161 in words is "forty-four trillion, two hundred sixty-six billion, four hundred one million, four hundred sixty-five thousand, one hundred sixty-one".