1523164101817 has 2 divisors, whose sum is σ = 1523164101818. Its totient is φ = 1523164101816.

The previous prime is 1523164101757. The next prime is 1523164101857. The reversal of 1523164101817 is 7181014613251.

It is a happy number.

It is an a-pointer prime, because the next prime (1523164101857) can be obtained adding 1523164101817 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839451758656 + 683712343161 = 916216^2 + 826869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1523164101817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1523164101817.

It is not a weakly prime, because it can be changed into another prime (1523164101857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761582050908 + 761582050909.

It is an arithmetic number, because the mean of its divisors is an integer number (761582050909).

Almost surely, 2^{1523164101817} is an apocalyptic number.

It is an amenable number.

1523164101817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523164101817 is an equidigital number, since it uses as much as digits as its factorization.

1523164101817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 1523164101817 in words is "one trillion, five hundred twenty-three billion, one hundred sixty-four million, one hundred one thousand, eight hundred seventeen".