116644959 has 24 divisors (see below), whose sum is σ = 173361552. Its totient is φ = 75530880.

The previous prime is 116644949. The next prime is 116644981. The reversal of 116644959 is 959446611.

It is a happy number.

It is not a de Polignac number, because 116644959 - 2⁴ = 116644943 is a prime.

It is a super-2 number, since 2×116644959² = 27212092920223362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116644949) 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 23 ways as a sum of consecutive naturals, for example, 103869 + ... + 104985.

It is an arithmetic number, because the mean of its divisors is an integer number (7223398).

Almost surely, 2^116644959 is an apocalyptic number.

116644959 is a deficient number, since it is larger than the sum of its proper divisors (56716593).

116644959 is a wasteful number, since it uses less digits than its factorization.

116644959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1444 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 116644959 is about 10800.2295808932. The cubic root of 116644959 is about 488.6020951672.

The spelling of 116644959 in words is "one hundred sixteen million, six hundred forty-four thousand, nine hundred fifty-nine".