116641089 has 12 divisors (see below), whose sum is σ = 171244372. Its totient is φ = 76485600.

The previous prime is 116641087. The next prime is 116641111. The reversal of 116641089 is 980146611.

It is a happy number.

116641089 is a `hidden beast` number, since 1 + 1 + 6 + 641 + 0 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 112720689 = 1980^2 + 10617^2 .

It is not a de Polignac number, because 116641089 - 2¹ = 116641087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116641081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105682 + ... + 106779.

Almost surely, 2^116641089 is an apocalyptic number.

It is an amenable number.

116641089 is a deficient number, since it is larger than the sum of its proper divisors (54603283).

116641089 is a wasteful number, since it uses less digits than its factorization.

116641089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212528 (or 212525 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 116641089 is about 10800.0504165490. The cubic root of 116641089 is about 488.5966915589.

It can be divided in two parts, 11664 and 1089, that multiplied together give a square (12702096 = 3564²).

The spelling of 116641089 in words is "one hundred sixteen million, six hundred forty-one thousand, eighty-nine".