116208649 has 4 divisors (see below), whose sum is σ = 116501764. Its totient is φ = 115915536.

The previous prime is 116208647. The next prime is 116208667. The reversal of 116208649 is 946802611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 946802611 = 12791 ⋅74021.

It can be written as a sum of positive squares in 2 ways, for example, as 104919049 + 11289600 = 10243^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 116208649 - 2¹ = 116208647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116208647) 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, 145962 + ... + 146755.

It is an arithmetic number, because the mean of its divisors is an integer number (29125441).

Almost surely, 2^116208649 is an apocalyptic number.

It is an amenable number.

116208649 is a deficient number, since it is larger than the sum of its proper divisors (293115).

116208649 is an equidigital number, since it uses as much as digits as its factorization.

116208649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293114.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 116208649 is about 10780.0115491589. The cubic root of 116208649 is about 487.9921292850.

The spelling of 116208649 in words is "one hundred sixteen million, two hundred eight thousand, six hundred forty-nine".