161179568 has 40 divisors (see below), whose sum is σ = 346282896. Its totient is φ = 72057600.

The previous prime is 161179559. The next prime is 161179573. The reversal of 161179568 is 865971161.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 18242.

Almost surely, 2^161179568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161179568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173141448).

161179568 is an abundant number, since it is smaller than the sum of its proper divisors (185103328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161179568 is a wasteful number, since it uses less digits than its factorization.

161179568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093 (or 15087 counting only the distinct ones).

The product of its digits is 90720, while the sum is 44.

The square root of 161179568 is about 12695.6515390113. The cubic root of 161179568 is about 544.2143582854.

The spelling of 161179568 in words is "one hundred sixty-one million, one hundred seventy-nine thousand, five hundred sixty-eight".