44166366244499 has 2 divisors, whose sum is σ = 44166366244500. Its totient is φ = 44166366244498.

The previous prime is 44166366244459. The next prime is 44166366244541. The reversal of 44166366244499 is 99444266366144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44166366244499 - 2⁴⁴ = 26574180200083 is a prime.

It is a super-2 number, since 2×44166366244499² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44166366244459) 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 as a sum of consecutive naturals, namely, 22083183122249 + 22083183122250.

It is an arithmetic number, because the mean of its divisors is an integer number (22083183122250).

Almost surely, 2^{44166366244499} is an apocalyptic number.

44166366244499 is a deficient number, since it is larger than the sum of its proper divisors (1).

44166366244499 is an equidigital number, since it uses as much as digits as its factorization.

44166366244499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 644972544, while the sum is 68.

The spelling of 44166366244499 in words is "forty-four trillion, one hundred sixty-six billion, three hundred sixty-six million, two hundred forty-four thousand, four hundred ninety-nine".