116645069 has 4 divisors (see below), whose sum is σ = 116818044. Its totient is φ = 116472096.

The previous prime is 116645063. The next prime is 116645071. The reversal of 116645069 is 960546611.

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 54834025 + 61811044 = 7405^2 + 7862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116645069 is a prime.

It is a super-2 number, since 2×116645069² = 27212144244029522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116645063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85472 + ... + 86825.

It is an arithmetic number, because the mean of its divisors is an integer number (29204511).

Almost surely, 2^116645069 is an apocalyptic number.

It is an amenable number.

116645069 is a deficient number, since it is larger than the sum of its proper divisors (172975).

116645069 is an equidigital number, since it uses as much as digits as its factorization.

116645069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172974.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 116645069 is about 10800.2346733763. The cubic root of 116645069 is about 488.6022487564.

The spelling of 116645069 in words is "one hundred sixteen million, six hundred forty-five thousand, sixty-nine".