116331649 has 4 divisors (see below), whose sum is σ = 132950464. Its totient is φ = 99712836.

The previous prime is 116331647. The next prime is 116331653. The reversal of 116331649 is 946133611.

It is a happy number.

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: 946133611 = 17209 ⋅54979.

It is a cyclic number.

It is not a de Polignac number, because 116331649 - 2¹ = 116331647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116331643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8309397 + ... + 8309410.

It is an arithmetic number, because the mean of its divisors is an integer number (33237616).

Almost surely, 2^116331649 is an apocalyptic number.

It is an amenable number.

116331649 is a deficient number, since it is larger than the sum of its proper divisors (16618815).

116331649 is an equidigital number, since it uses as much as digits as its factorization.

116331649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618814.

The product of its digits is 11664, while the sum is 34.

The square root of 116331649 is about 10785.7150435194. The cubic root of 116331649 is about 488.1642388709.

The spelling of 116331649 in words is "one hundred sixteen million, three hundred thirty-one thousand, six hundred forty-nine".