44166304891 has 2 divisors, whose sum is σ = 44166304892. Its totient is φ = 44166304890.

The previous prime is 44166304879. The next prime is 44166305063. The reversal of 44166304891 is 19840366144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44166304891 - 2²⁹ = 43629433979 is a prime.

It is not a weakly prime, because it can be changed into another prime (44166344891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22083152445 + 22083152446.

It is an arithmetic number, because the mean of its divisors is an integer number (22083152446).

Almost surely, 2^44166304891 is an apocalyptic number.

44166304891 is a deficient number, since it is larger than the sum of its proper divisors (1).

44166304891 is an equidigital number, since it uses as much as digits as its factorization.

44166304891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 44166304891 in words is "forty-four billion, one hundred sixty-six million, three hundred four thousand, eight hundred ninety-one".