161107279 has 8 divisors (see below), whose sum is σ = 166762112. Its totient is φ = 155481120.

The previous prime is 161107273. The next prime is 161107291. The reversal of 161107279 is 972701161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-161107279 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 (161107273) 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, 4597 + ... + 18529.

It is an arithmetic number, because the mean of its divisors is an integer number (20845264).

Almost surely, 2^161107279 is an apocalyptic number.

161107279 is a deficient number, since it is larger than the sum of its proper divisors (5654833).

161107279 is a wasteful number, since it uses less digits than its factorization.

161107279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14337.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 161107279 is about 12692.8042212901. The cubic root of 161107279 is about 544.1329861132.

The spelling of 161107279 in words is "one hundred sixty-one million, one hundred seven thousand, two hundred seventy-nine".