161130507 has 8 divisors (see below), whose sum is σ = 226148160. Its totient is φ = 101766600.

The previous prime is 161130481. The next prime is 161130509. The reversal of 161130507 is 705031161.

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

It is not a de Polignac number, because 161130507 - 2⁶ = 161130443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161130509) 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, 1413369 + ... + 1413482.

It is an arithmetic number, because the mean of its divisors is an integer number (28268520).

Almost surely, 2^161130507 is an apocalyptic number.

161130507 is a deficient number, since it is larger than the sum of its proper divisors (65017653).

161130507 is a wasteful number, since it uses less digits than its factorization.

161130507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826873.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 161130507 is about 12693.7191949405. The cubic root of 161130507 is about 544.1591353841.

Adding to 161130507 its reverse (705031161), we get a palindrome (866161668).

The spelling of 161130507 in words is "one hundred sixty-one million, one hundred thirty thousand, five hundred seven".