116961089 has 24 divisors (see below), whose sum is σ = 143496360. Its totient is φ = 94907904.

The previous prime is 116961083. The next prime is 116961101. The reversal of 116961089 is 980169611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9486400 + 107474689 = 3080^2 + 10367^2 .

It is a de Polignac number, because none of the positive numbers 2^k-116961089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116961083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74537 + ... + 76089.

It is an arithmetic number, because the mean of its divisors is an integer number (5979015).

Almost surely, 2^116961089 is an apocalyptic number.

It is an amenable number.

116961089 is a deficient number, since it is larger than the sum of its proper divisors (26535271).

116961089 is a wasteful number, since it uses less digits than its factorization.

116961089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 116961089 is about 10814.8550152094. The cubic root of 116961089 is about 489.0430985080.

The spelling of 116961089 in words is "one hundred sixteen million, nine hundred sixty-one thousand, eighty-nine".