161173294 has 16 divisors (see below), whose sum is σ = 256670208. Its totient is φ = 75642112.

The previous prime is 161173273. The next prime is 161173297. The reversal of 161173294 is 492371161.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161173297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6834 + ... + 19210.

It is an arithmetic number, because the mean of its divisors is an integer number (16041888).

Almost surely, 2^161173294 is an apocalyptic number.

161173294 is a deficient number, since it is larger than the sum of its proper divisors (95496914).

161173294 is a wasteful number, since it uses less digits than its factorization.

161173294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779.

The product of its digits is 9072, while the sum is 34.

The square root of 161173294 is about 12695.4044441286. The cubic root of 161173294 is about 544.2072969164.

The spelling of 161173294 in words is "one hundred sixty-one million, one hundred seventy-three thousand, two hundred ninety-four".