116516565643 has 4 divisors (see below), whose sum is σ = 116637059440. Its totient is φ = 116396071848.

The previous prime is 116516565631. The next prime is 116516565647. The reversal of 116516565643 is 346565615611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116516565643 - 2⁵ = 116516565611 is a prime.

It is a super-2 number, since 2×116516565643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116516565647) 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 3 ways as a sum of consecutive naturals, for example, 60245448 + ... + 60247381.

It is an arithmetic number, because the mean of its divisors is an integer number (29159264860).

Almost surely, 2^116516565643 is an apocalyptic number.

116516565643 is a deficient number, since it is larger than the sum of its proper divisors (120493797).

116516565643 is an equidigital number, since it uses as much as digits as its factorization.

116516565643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120493796.

The product of its digits is 1944000, while the sum is 49.

The spelling of 116516565643 in words is "one hundred sixteen billion, five hundred sixteen million, five hundred sixty-five thousand, six hundred forty-three".