116688345 has 16 divisors (see below), whose sum is σ = 188801280. Its totient is φ = 61533824.

The previous prime is 116688317. The next prime is 116688353. The reversal of 116688345 is 543886611.

It is a cyclic number.

It is not a de Polignac number, because 116688345 - 2⁹ = 116687833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116688297 and 116688306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42369 + ... + 45038.

It is an arithmetic number, because the mean of its divisors is an integer number (11800080).

Almost surely, 2^116688345 is an apocalyptic number.

116688345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116688345 is a deficient number, since it is larger than the sum of its proper divisors (72112935).

116688345 is an equidigital number, since it uses as much as digits as its factorization.

116688345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87504.

The product of its digits is 138240, while the sum is 42.

The square root of 116688345 is about 10802.2379625705. The cubic root of 116688345 is about 488.6626660454.

The spelling of 116688345 in words is "one hundred sixteen million, six hundred eighty-eight thousand, three hundred forty-five".