116646563 has 4 divisors (see below), whose sum is σ = 127250808. Its totient is φ = 106042320.

The previous prime is 116646553. The next prime is 116646589. The reversal of 116646563 is 365646611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365646611 = 11 ⋅33240601.

It is a cyclic number.

It is not a de Polignac number, because 116646563 - 2⁸ = 116646307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116646553) 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, 5302106 + ... + 5302127.

It is an arithmetic number, because the mean of its divisors is an integer number (31812702).

Almost surely, 2^116646563 is an apocalyptic number.

116646563 is a deficient number, since it is larger than the sum of its proper divisors (10604245).

116646563 is a wasteful number, since it uses less digits than its factorization.

116646563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604244.

The product of its digits is 77760, while the sum is 38.

The square root of 116646563 is about 10800.3038383186. The cubic root of 116646563 is about 488.6043347673.

The spelling of 116646563 in words is "one hundred sixteen million, six hundred forty-six thousand, five hundred sixty-three".