161734063 has 2 divisors, whose sum is σ = 161734064. Its totient is φ = 161734062.

The previous prime is 161733991. The next prime is 161734087. The reversal of 161734063 is 360437161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161734063 - 2²⁵ = 128179631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161734763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80867031 + 80867032.

It is an arithmetic number, because the mean of its divisors is an integer number (80867032).

Almost surely, 2^161734063 is an apocalyptic number.

161734063 is a deficient number, since it is larger than the sum of its proper divisors (1).

161734063 is an equidigital number, since it uses as much as digits as its factorization.

161734063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 161734063 is about 12717.4707784213. The cubic root of 161734063 is about 544.8377184255.

The spelling of 161734063 in words is "one hundred sixty-one million, seven hundred thirty-four thousand, sixty-three".