2206916791 has 8 divisors (see below), whose sum is σ = 2289149280. Its totient is φ = 2125093152.

The previous prime is 2206916779. The next prime is 2206916807. The reversal of 2206916791 is 1976196022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2206916791 - 2⁵ = 2206916759 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 (2206916711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91195 + ... + 112828.

It is an arithmetic number, because the mean of its divisors is an integer number (286143660).

Almost surely, 2^2206916791 is an apocalyptic number.

2206916791 is a deficient number, since it is larger than the sum of its proper divisors (82232489).

2206916791 is a wasteful number, since it uses less digits than its factorization.

2206916791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204425.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2206916791 is about 46977.8329747127. The cubic root of 2206916791 is about 1301.9530389629.

The spelling of 2206916791 in words is "two billion, two hundred six million, nine hundred sixteen thousand, seven hundred ninety-one".