161090479 has 16 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 140601760.

The previous prime is 161090471. The next prime is 161090497. The reversal of 161090479 is 974090161.

It is a cyclic number.

It is not a de Polignac number, because 161090479 - 2³ = 161090471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161090471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24462 + ... + 30340.

It is an arithmetic number, because the mean of its divisors is an integer number (11430720).

Almost surely, 2^161090479 is an apocalyptic number.

161090479 is a deficient number, since it is larger than the sum of its proper divisors (21801041).

161090479 is a wasteful number, since it uses less digits than its factorization.

161090479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 161090479 is about 12692.1424117444. The cubic root of 161090479 is about 544.1140716938.

The spelling of 161090479 in words is "one hundred sixty-one million, ninety thousand, four hundred seventy-nine".