161008879 has 8 divisors (see below), whose sum is σ = 162882720. Its totient is φ = 159141216.

The previous prime is 161008877. The next prime is 161008919. The reversal of 161008879 is 978800161.

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

It is a cyclic number.

It is not a de Polignac number, because 161008879 - 2¹ = 161008877 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 (161008877) 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, 68577 + ... + 70885.

It is an arithmetic number, because the mean of its divisors is an integer number (20360340).

Almost surely, 2^161008879 is an apocalyptic number.

161008879 is a deficient number, since it is larger than the sum of its proper divisors (1873841).

161008879 is a wasteful number, since it uses less digits than its factorization.

161008879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 161008879 is about 12688.9274172406. The cubic root of 161008879 is about 544.0221829460.

The spelling of 161008879 in words is "one hundred sixty-one million, eight thousand, eight hundred seventy-nine".