2116366679 has 4 divisors (see below), whose sum is σ = 2418704784. Its totient is φ = 1814028576.

The previous prime is 2116366673. The next prime is 2116366697. The reversal of 2116366679 is 9766636112.

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 2116366679 - 2¹² = 2116362583 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 (2116366673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151169042 + ... + 151169055.

It is an arithmetic number, because the mean of its divisors is an integer number (604676196).

Almost surely, 2^2116366679 is an apocalyptic number.

2116366679 is a deficient number, since it is larger than the sum of its proper divisors (302338105).

2116366679 is an equidigital number, since it uses as much as digits as its factorization.

2116366679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302338104.

The product of its digits is 489888, while the sum is 47.

The square root of 2116366679 is about 46003.9854686526. The cubic root of 2116366679 is about 1283.8973576898.

The spelling of 2116366679 in words is "two billion, one hundred sixteen million, three hundred sixty-six thousand, six hundred seventy-nine".