2116772205 has 64 divisors (see below), whose sum is σ = 3619123200. Its totient is φ = 1054690560.

The previous prime is 2116772201. The next prime is 2116772227. The reversal of 2116772205 is 5022776112.

It is not a de Polignac number, because 2116772205 - 2² = 2116772201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116772201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1718940 + ... + 1720170.

It is an arithmetic number, because the mean of its divisors is an integer number (56548800).

Almost surely, 2^2116772205 is an apocalyptic number.

It is an amenable number.

2116772205 is a deficient number, since it is larger than the sum of its proper divisors (1502350995).

2116772205 is a wasteful number, since it uses less digits than its factorization.

2116772205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2116772205 is about 46008.3927669724. The cubic root of 2116772205 is about 1283.9793567929.

The spelling of 2116772205 in words is "two billion, one hundred sixteen million, seven hundred seventy-two thousand, two hundred five".