1644116682059 has 2 divisors, whose sum is σ = 1644116682060. Its totient is φ = 1644116682058.

The previous prime is 1644116682053. The next prime is 1644116682127. The reversal of 1644116682059 is 9502866114461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1644116682059 - 2³⁶ = 1575397205323 is a prime.

It is a super-3 number, since 3×1644116682059³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1644116682059.

It is not a weakly prime, because it can be changed into another prime (1644116682053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822058341029 + 822058341030.

It is an arithmetic number, because the mean of its divisors is an integer number (822058341030).

Almost surely, 2^{1644116682059} is an apocalyptic number.

1644116682059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1644116682059 is an equidigital number, since it uses as much as digits as its factorization.

1644116682059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 1644116682059 in words is "one trillion, six hundred forty-four billion, one hundred sixteen million, six hundred eighty-two thousand, fifty-nine".