116689455 has 12 divisors (see below), whose sum is σ = 202261800. Its totient is φ = 62234352.

The previous prime is 116689439. The next prime is 116689459. The reversal of 116689455 is 554986611.

116689455 is a `hidden beast` number, since 116 + 6 + 89 + 455 = 666.

It is not a de Polignac number, because 116689455 - 2⁴ = 116689439 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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: 2593099 = 116689455 / (1 + 1 + 6 + 6 + 8 + 9 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 116689455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116689459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1296505 + ... + 1296594.

It is an arithmetic number, because the mean of its divisors is an integer number (16855150).

Almost surely, 2^116689455 is an apocalyptic number.

116689455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116689455 is a deficient number, since it is larger than the sum of its proper divisors (85572345).

116689455 is a wasteful number, since it uses less digits than its factorization.

116689455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593110 (or 2593107 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 116689455 is about 10802.2893406907. The cubic root of 116689455 is about 488.6642155113.

The spelling of 116689455 in words is "one hundred sixteen million, six hundred eighty-nine thousand, four hundred fifty-five".