116600821 has 4 divisors (see below), whose sum is σ = 119312512. Its totient is φ = 113889132.

The previous prime is 116600819. The next prime is 116600833. The reversal of 116600821 is 128006611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116600821 - 2¹ = 116600819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116600881) 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, 1355781 + ... + 1355866.

It is an arithmetic number, because the mean of its divisors is an integer number (29828128).

Almost surely, 2^116600821 is an apocalyptic number.

It is an amenable number.

116600821 is a deficient number, since it is larger than the sum of its proper divisors (2711691).

116600821 is an equidigital number, since it uses as much as digits as its factorization.

116600821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711690.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 116600821 is about 10798.1860050659. The cubic root of 116600821 is about 488.5404590131.

The spelling of 116600821 in words is "one hundred sixteen million, six hundred thousand, eight hundred twenty-one".