116889165 has 12 divisors (see below), whose sum is σ = 202607964. Its totient is φ = 62340864.

The previous prime is 116889163. The next prime is 116889167. The reversal of 116889165 is 561988611.

It is an interprime number because it is at equal distance from previous prime (116889163) and next prime (116889167).

It can be written as a sum of positive squares in 2 ways, for example, as 26904969 + 89984196 = 5187^2 + 9486^2 .

It is not a de Polignac number, because 116889165 - 2¹ = 116889163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2597537 = 116889165 / (1 + 1 + 6 + 8 + 8 + 9 + 1 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116889165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116889163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298724 + ... + 1298813.

It is an arithmetic number, because the mean of its divisors is an integer number (16883997).

Almost surely, 2^116889165 is an apocalyptic number.

116889165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116889165 is a deficient number, since it is larger than the sum of its proper divisors (85718799).

116889165 is a wasteful number, since it uses less digits than its factorization.

116889165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597548 (or 2597545 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 116889165 is about 10811.5292627824. The cubic root of 116889165 is about 488.9428339712.

The spelling of 116889165 in words is "one hundred sixteen million, eight hundred eighty-nine thousand, one hundred sixty-five".