161530108 has 24 divisors (see below), whose sum is σ = 286411104. Its totient is φ = 79704000.

The previous prime is 161530097. The next prime is 161530111. The reversal of 161530108 is 801035161.

It is a congruent number.

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, 196338 + ... + 197158.

It is an arithmetic number, because the mean of its divisors is an integer number (11933796).

Almost surely, 2^161530108 is an apocalyptic number.

It is an amenable number.

161530108 is a deficient number, since it is larger than the sum of its proper divisors (124880996).

161530108 is a wasteful number, since it uses less digits than its factorization.

161530108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 161530108 is about 12709.4495553505. The cubic root of 161530108 is about 544.6085992614.

Adding to 161530108 its reverse (801035161), we get a palindrome (962565269).

The spelling of 161530108 in words is "one hundred sixty-one million, five hundred thirty thousand, one hundred eight".