161300116 has 6 divisors (see below), whose sum is σ = 282275210. Its totient is φ = 80650056.

The previous prime is 161300093. The next prime is 161300119. The reversal of 161300116 is 611003161.

It can be written as a sum of positive squares in only one way, i.e., 154256400 + 7043716 = 12420^2 + 2654^2 .

It is a super-2 number, since 2×161300116² = 52035454843226912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161300093 and 161300102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161300119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162511 + ... + 20162518.

Almost surely, 2^161300116 is an apocalyptic number.

It is an amenable number.

161300116 is a deficient number, since it is larger than the sum of its proper divisors (120975094).

161300116 is a wasteful number, since it uses less digits than its factorization.

161300116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40325033 (or 40325031 counting only the distinct ones).

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

The square root of 161300116 is about 12700.3982614720. The cubic root of 161300116 is about 544.3499991418.

Adding to 161300116 its reverse (611003161), we get a palindrome (772303277).

The spelling of 161300116 in words is "one hundred sixty-one million, three hundred thousand, one hundred sixteen".