116643165 has 8 divisors (see below), whose sum is σ = 186629088. Its totient is φ = 62209680.

The previous prime is 116643151. The next prime is 116643169. The reversal of 116643165 is 561346611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116643165 - 2¹¹ = 116641117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116643169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888091 + ... + 3888120.

It is an arithmetic number, because the mean of its divisors is an integer number (23328636).

Almost surely, 2^116643165 is an apocalyptic number.

116643165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116643165 is a deficient number, since it is larger than the sum of its proper divisors (69985923).

116643165 is an equidigital number, since it uses as much as digits as its factorization.

116643165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776219.

The product of its digits is 12960, while the sum is 33.

The square root of 116643165 is about 10800.1465267838. The cubic root of 116643165 is about 488.5995902536.

Adding to 116643165 its reverse (561346611), we get a palindrome (677989776).

The spelling of 116643165 in words is "one hundred sixteen million, six hundred forty-three thousand, one hundred sixty-five".