116330261 has 4 divisors (see below), whose sum is σ = 116404524. Its totient is φ = 116256000.

The previous prime is 116330239. The next prime is 116330267. The reversal of 116330261 is 162033611.

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 67749361 + 48580900 = 8231^2 + 6970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116330261 is a prime.

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 (116330267) 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, 34730 + ... + 37931.

It is an arithmetic number, because the mean of its divisors is an integer number (29101131).

Almost surely, 2^116330261 is an apocalyptic number.

It is an amenable number.

116330261 is a deficient number, since it is larger than the sum of its proper divisors (74263).

116330261 is an equidigital number, since it uses as much as digits as its factorization.

116330261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74262.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 116330261 is about 10785.6506989611. The cubic root of 116330261 is about 488.1622973682.

Adding to 116330261 its reverse (162033611), we get a palindrome (278363872).

The spelling of 116330261 in words is "one hundred sixteen million, three hundred thirty thousand, two hundred sixty-one".