116244639 has 48 divisors (see below), whose sum is σ = 204492288. Its totient is φ = 64595232.

The previous prime is 116244631. The next prime is 116244643. The reversal of 116244639 is 936442611.

116244639 = 191² + 192² + ... + 708².

116244639 is a `hidden beast` number, since 1 + 16 + 2 + 4 + 4 + 639 = 666.

It is not a de Polignac number, because 116244639 - 2³ = 116244631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116244631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62014 + ... + 63860.

It is an arithmetic number, because the mean of its divisors is an integer number (4260256).

Almost surely, 2^116244639 is an apocalyptic number.

116244639 is a deficient number, since it is larger than the sum of its proper divisors (88247649).

116244639 is an equidigital number, since it uses as much as digits as its factorization.

116244639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1894 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 116244639 is about 10781.6807131356. The cubic root of 116244639 is about 488.0425013933.

The spelling of 116244639 in words is "one hundred sixteen million, two hundred forty-four thousand, six hundred thirty-nine".