2116211499 has 6 divisors (see below), whose sum is σ = 3056749956. Its totient is φ = 1410807660.

The previous prime is 2116211483. The next prime is 2116211501. The reversal of 2116211499 is 9941126112.

It is a happy number.

2116211499 is a `hidden beast` number, since 2 + 1 + 162 + 1 + 1 + 499 = 666.

It is not a de Polignac number, because 2116211499 - 2⁴ = 2116211483 is a prime.

It is a super-2 number, since 2×2116211499² = 8956702216999654002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116211429) 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, 117567297 + ... + 117567314.

It is an arithmetic number, because the mean of its divisors is an integer number (509458326).

Almost surely, 2^2116211499 is an apocalyptic number.

2116211499 is a deficient number, since it is larger than the sum of its proper divisors (940538457).

2116211499 is a wasteful number, since it uses less digits than its factorization.

2116211499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235134617 (or 235134614 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2116211499 is about 46002.2988447317. The cubic root of 2116211499 is about 1283.8659768547.

The spelling of 2116211499 in words is "two billion, one hundred sixteen million, two hundred eleven thousand, four hundred ninety-nine".