116508669 has 4 divisors (see below), whose sum is σ = 155344896. Its totient is φ = 77672444.

The previous prime is 116508653. The next prime is 116508673. The reversal of 116508669 is 966805611.

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: 966805611 = 3 ⋅322268537.

It is a cyclic number.

It is not a de Polignac number, because 116508669 - 2⁴ = 116508653 is a prime.

It is a super-2 number, since 2×116508669² = 27148539904303122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116508669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116508269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19418109 + ... + 19418114.

It is an arithmetic number, because the mean of its divisors is an integer number (38836224).

Almost surely, 2^116508669 is an apocalyptic number.

It is an amenable number.

116508669 is a deficient number, since it is larger than the sum of its proper divisors (38836227).

116508669 is an equidigital number, since it uses as much as digits as its factorization.

116508669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38836226.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 116508669 is about 10793.9181486613. The cubic root of 116508669 is about 488.4117239400.

The spelling of 116508669 in words is "one hundred sixteen million, five hundred eight thousand, six hundred sixty-nine".