116530681 has 4 divisors (see below), whose sum is σ = 116651664. Its totient is φ = 116409700.

The previous prime is 116530639. The next prime is 116530697. The reversal of 116530681 is 186035611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186035611 = 3449 ⋅53939.

It is a cyclic number.

It is not a de Polignac number, because 116530681 - 2¹³ = 116522489 is a prime.

It is a super-2 number, since 2×116530681² = 27158799228647522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116530481) 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, 59035 + ... + 60976.

It is an arithmetic number, because the mean of its divisors is an integer number (29162916).

Almost surely, 2^116530681 is an apocalyptic number.

It is an amenable number.

116530681 is a deficient number, since it is larger than the sum of its proper divisors (120983).

116530681 is an equidigital number, since it uses as much as digits as its factorization.

116530681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120982.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 116530681 is about 10794.9377487784. The cubic root of 116530681 is about 488.4424805694.

The spelling of 116530681 in words is "one hundred sixteen million, five hundred thirty thousand, six hundred eighty-one".