161093163 has 16 divisors (see below), whose sum is σ = 267791616. Its totient is φ = 83684640.

The previous prime is 161093161. The next prime is 161093167. The reversal of 161093163 is 361390161.

It is not a de Polignac number, because 161093163 - 2¹ = 161093161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161093163.

It is not an unprimeable number, because it can be changed into a prime (161093161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348456 + ... + 348917.

It is an arithmetic number, because the mean of its divisors is an integer number (16736976).

Almost surely, 2^161093163 is an apocalyptic number.

161093163 is a deficient number, since it is larger than the sum of its proper divisors (106698453).

161093163 is a wasteful number, since it uses less digits than its factorization.

161093163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697394.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 161093163 is about 12692.2481460142. The cubic root of 161093163 is about 544.1170935858.

The spelling of 161093163 in words is "one hundred sixty-one million, ninety-three thousand, one hundred sixty-three".