2205116651 has 16 divisors (see below), whose sum is σ = 2363074560. Its totient is φ = 2053091040.

The previous prime is 2205116609. The next prime is 2205116659. The reversal of 2205116651 is 1566115022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2205116651 - 2¹⁴ = 2205100267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205116659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120461 + ... + 137553.

It is an arithmetic number, because the mean of its divisors is an integer number (147692160).

Almost surely, 2^2205116651 is an apocalyptic number.

2205116651 is a deficient number, since it is larger than the sum of its proper divisors (157957909).

2205116651 is a wasteful number, since it uses less digits than its factorization.

2205116651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17266.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2205116651 is about 46958.6696042382. The cubic root of 2205116651 is about 1301.5989499039.

The spelling of 2205116651 in words is "two billion, two hundred five million, one hundred sixteen thousand, six hundred fifty-one".