161423492 has 12 divisors (see below), whose sum is σ = 282729216. Its totient is φ = 80643720.

The previous prime is 161423491. The next prime is 161423527. The reversal of 161423492 is 294324161.

161423492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (161423491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (23560768).

Almost surely, 2^161423492 is an apocalyptic number.

It is an amenable number.

161423492 is a deficient number, since it is larger than the sum of its proper divisors (121305724).

161423492 is a wasteful number, since it uses less digits than its factorization.

161423492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018 (or 34016 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 161423492 is about 12705.2545035509. The cubic root of 161423492 is about 544.4887521101.

The spelling of 161423492 in words is "one hundred sixty-one million, four hundred twenty-three thousand, four hundred ninety-two".