161193298 has 16 divisors (see below), whose sum is σ = 277136064. Its totient is φ = 68881680.

The previous prime is 161193289. The next prime is 161193379. The reversal of 161193298 is 892391161.

161193298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161193298.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11733 + ... + 21448.

It is an arithmetic number, because the mean of its divisors is an integer number (17321004).

Almost surely, 2^161193298 is an apocalyptic number.

161193298 is a deficient number, since it is larger than the sum of its proper divisors (115942766).

161193298 is a wasteful number, since it uses less digits than its factorization.

161193298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33537.

The product of its digits is 23328, while the sum is 40.

The square root of 161193298 is about 12696.1922638246. The cubic root of 161193298 is about 544.2298107216.

The spelling of 161193298 in words is "one hundred sixty-one million, one hundred ninety-three thousand, two hundred ninety-eight".