2116211896 has 32 divisors (see below), whose sum is σ = 4109061600. Its totient is φ = 1020539520.

The previous prime is 2116211891. The next prime is 2116211917. The reversal of 2116211896 is 6981126112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116211891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242326 + ... + 250906.

It is an arithmetic number, because the mean of its divisors is an integer number (128408175).

Almost surely, 2^2116211896 is an apocalyptic number.

It is an amenable number.

2116211896 is a deficient number, since it is larger than the sum of its proper divisors (1992849704).

2116211896 is a wasteful number, since it uses less digits than its factorization.

2116211896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679 (or 9675 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 2116211896 is about 46002.3031597332. The cubic root of 2116211896 is about 1283.8660571388.

The spelling of 2116211896 in words is "two billion, one hundred sixteen million, two hundred eleven thousand, eight hundred ninety-six".