161413073312999 has 2 divisors, whose sum is σ = 161413073313000. Its totient is φ = 161413073312998.

The previous prime is 161413073312969. The next prime is 161413073313077. The reversal of 161413073312999 is 999213370314161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161413073312999 - 2⁴⁰ = 160313561685223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161413073312969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80706536656499 + 80706536656500.

It is an arithmetic number, because the mean of its divisors is an integer number (80706536656500).

Almost surely, 2^{161413073312999} is an apocalyptic number.

161413073312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

161413073312999 is an equidigital number, since it uses as much as digits as its factorization.

161413073312999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The spelling of 161413073312999 in words is "one hundred sixty-one trillion, four hundred thirteen billion, seventy-three million, three hundred twelve thousand, nine hundred ninety-nine".