161732663 has 2 divisors, whose sum is σ = 161732664. Its totient is φ = 161732662.

The previous prime is 161732657. The next prime is 161732689. The reversal of 161732663 is 366237161.

It is a weak prime.

It is an emirp because it is prime and its reverse (366237161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161732663 - 2¹⁰ = 161731639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161731663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80866331 + 80866332.

It is an arithmetic number, because the mean of its divisors is an integer number (80866332).

Almost surely, 2^161732663 is an apocalyptic number.

161732663 is a deficient number, since it is larger than the sum of its proper divisors (1).

161732663 is an equidigital number, since it uses as much as digits as its factorization.

161732663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 161732663 is about 12717.4157359111. The cubic root of 161732663 is about 544.8361463489.

The spelling of 161732663 in words is "one hundred sixty-one million, seven hundred thirty-two thousand, six hundred sixty-three".