161079432479159 has 2 divisors, whose sum is σ = 161079432479160. Its totient is φ = 161079432479158.

The previous prime is 161079432479149. The next prime is 161079432479197. The reversal of 161079432479159 is 951974234970161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161079432479159 - 2⁴⁰ = 159979920851383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161079432479149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80539716239579 + 80539716239580.

It is an arithmetic number, because the mean of its divisors is an integer number (80539716239580).

Almost surely, 2^{161079432479159} is an apocalyptic number.

161079432479159 is a deficient number, since it is larger than the sum of its proper divisors (1).

161079432479159 is an equidigital number, since it uses as much as digits as its factorization.

161079432479159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 161079432479159 in words is "one hundred sixty-one trillion, seventy-nine billion, four hundred thirty-two million, four hundred seventy-nine thousand, one hundred fifty-nine".