2116882197 has 6 divisors (see below), whose sum is σ = 3057718742. Its totient is φ = 1411254792.

The previous prime is 2116882171. The next prime is 2116882241. The reversal of 2116882197 is 7912886112.

It can be written as a sum of positive squares in only one way, i.e., 1929493476 + 187388721 = 43926^2 + 13689^2 .

It is not a de Polignac number, because 2116882197 - 2¹⁵ = 2116849429 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 (2116882127) 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 5 ways as a sum of consecutive naturals, for example, 117604558 + ... + 117604575.

Almost surely, 2^2116882197 is an apocalyptic number.

It is an amenable number.

2116882197 is a deficient number, since it is larger than the sum of its proper divisors (940836545).

2116882197 is a wasteful number, since it uses less digits than its factorization.

2116882197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235209139 (or 235209136 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 2116882197 is about 46009.5880985692. The cubic root of 2116882197 is about 1284.0015958434.

The spelling of 2116882197 in words is "two billion, one hundred sixteen million, eight hundred eighty-two thousand, one hundred ninety-seven".