161110630 has 32 divisors (see below), whose sum is σ = 304876224. Its totient is φ = 61180416.

The previous prime is 161110603. The next prime is 161110639. The reversal of 161110630 is 36011161.

161110630 is nontrivially palindromic in base 4.

161110630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161110598 and 161110607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161110639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28954 + ... + 34066.

It is an arithmetic number, because the mean of its divisors is an integer number (9527382).

Almost surely, 2^161110630 is an apocalyptic number.

161110630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161110630 is a deficient number, since it is larger than the sum of its proper divisors (143765594).

161110630 is a wasteful number, since it uses less digits than its factorization.

161110630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 161110630 is about 12692.9362245306. The cubic root of 161110630 is about 544.1367587071.

Adding to 161110630 its reverse (36011161), we get a palindrome (197121791).

The spelling of 161110630 in words is "one hundred sixty-one million, one hundred ten thousand, six hundred thirty".