104442166613 has 2 divisors, whose sum is σ = 104442166614. Its totient is φ = 104442166612.

The previous prime is 104442166547. The next prime is 104442166639. The reversal of 104442166613 is 316661244401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89076580849 + 15365585764 = 298457^2 + 123958^2 .

It is a cyclic number.

It is not a de Polignac number, because 104442166613 - 2²⁶ = 104375057749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104442166013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52221083306 + 52221083307.

It is an arithmetic number, because the mean of its divisors is an integer number (52221083307).

Almost surely, 2^104442166613 is an apocalyptic number.

It is an amenable number.

104442166613 is a deficient number, since it is larger than the sum of its proper divisors (1).

104442166613 is an equidigital number, since it uses as much as digits as its factorization.

104442166613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 104442166613 in words is "one hundred four billion, four hundred forty-two million, one hundred sixty-six thousand, six hundred thirteen".