3161623105819 has 2 divisors, whose sum is σ = 3161623105820. Its totient is φ = 3161623105818.

The previous prime is 3161623105799. The next prime is 3161623105909. The reversal of 3161623105819 is 9185013261613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3161623105819 - 2²⁷ = 3161488888091 is a prime.

It is a super-2 number, since 2×3161623105819² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161623105219) 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, 1580811552909 + 1580811552910.

It is an arithmetic number, because the mean of its divisors is an integer number (1580811552910).

Almost surely, 2^{3161623105819} is an apocalyptic number.

3161623105819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161623105819 is an equidigital number, since it uses as much as digits as its factorization.

3161623105819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 3161623105819 in words is "three trillion, one hundred sixty-one billion, six hundred twenty-three million, one hundred five thousand, eight hundred nineteen".