116964569 has 4 divisors (see below), whose sum is σ = 120997860. Its totient is φ = 112931280.

The previous prime is 116964563. The next prime is 116964571. The reversal of 116964569 is 965469611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85470025 + 31494544 = 9245^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 116964569 - 2⁸ = 116964313 is a prime.

It is a super-2 number, since 2×116964569² = 27361420802711522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116964563) 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 3 ways as a sum of consecutive naturals, for example, 2016602 + ... + 2016659.

It is an arithmetic number, because the mean of its divisors is an integer number (30249465).

Almost surely, 2^116964569 is an apocalyptic number.

It is an amenable number.

116964569 is a deficient number, since it is larger than the sum of its proper divisors (4033291).

116964569 is an equidigital number, since it uses as much as digits as its factorization.

116964569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033290.

The product of its digits is 349920, while the sum is 47.

The square root of 116964569 is about 10815.0159038256. The cubic root of 116964569 is about 489.0479487054.

The spelling of 116964569 in words is "one hundred sixteen million, nine hundred sixty-four thousand, five hundred sixty-nine".