2116871533 has 12 divisors (see below), whose sum is σ = 2479741600. Its totient is φ = 1770196320.

The previous prime is 2116871531. The next prime is 2116871599. The reversal of 2116871533 is 3351786112.

It is not a de Polignac number, because 2116871533 - 2¹ = 2116871531 is a prime.

It is a super-2 number, since 2×2116871533² = 8962290174451540178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2116871492 and 2116871501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116871531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78183 + ... + 101716.

Almost surely, 2^2116871533 is an apocalyptic number.

It is an amenable number.

2116871533 is a deficient number, since it is larger than the sum of its proper divisors (362870067).

2116871533 is an equidigital number, since it uses as much as digits as its factorization.

2116871533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179988 (or 179947 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 2116871533 is about 46009.4722095353. The cubic root of 2116871533 is about 1283.9994397454. Note that the first 3 decimals are identical.

The spelling of 2116871533 in words is "two billion, one hundred sixteen million, eight hundred seventy-one thousand, five hundred thirty-three".