161169934459 has 2 divisors, whose sum is σ = 161169934460. Its totient is φ = 161169934458.

The previous prime is 161169934447. The next prime is 161169934469. The reversal of 161169934459 is 954439961161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161169934459 - 2³³ = 152579999867 is a prime.

It is not a weakly prime, because it can be changed into another prime (161169934439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80584967229 + 80584967230.

It is an arithmetic number, because the mean of its divisors is an integer number (80584967230).

Almost surely, 2^161169934459 is an apocalyptic number.

161169934459 is a deficient number, since it is larger than the sum of its proper divisors (1).

161169934459 is an equidigital number, since it uses as much as digits as its factorization.

161169934459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 58.

The spelling of 161169934459 in words is "one hundred sixty-one billion, one hundred sixty-nine million, nine hundred thirty-four thousand, four hundred fifty-nine".