116788566449 has 4 divisors (see below), whose sum is σ = 117058286436. Its totient is φ = 116518846464.

The previous prime is 116788566329. The next prime is 116788566451. The reversal of 116788566449 is 944665887611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944665887611 = 2347 ⋅402499313.

It can be written as a sum of positive squares in 2 ways, for example, as 77492640625 + 39295925824 = 278375^2 + 198232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116788566449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116788566149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134859344 + ... + 134860209.

It is an arithmetic number, because the mean of its divisors is an integer number (29264571609).

Almost surely, 2^116788566449 is an apocalyptic number.

It is an amenable number.

116788566449 is a deficient number, since it is larger than the sum of its proper divisors (269719987).

116788566449 is an equidigital number, since it uses as much as digits as its factorization.

116788566449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269719986.

The product of its digits is 69672960, while the sum is 65.

The spelling of 116788566449 in words is "one hundred sixteen billion, seven hundred eighty-eight million, five hundred sixty-six thousand, four hundred forty-nine".