2209116768 has 24 divisors (see below), whose sum is σ = 5798931768. Its totient is φ = 736372224.

The previous prime is 2209116739. The next prime is 2209116803. The reversal of 2209116768 is 8676119022.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11505721 + ... + 11505912.

It is an arithmetic number, because the mean of its divisors is an integer number (241622157).

Almost surely, 2^2209116768 is an apocalyptic number.

It is an amenable number.

2209116768 is an abundant number, since it is smaller than the sum of its proper divisors (3589815000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2209116768 is a wasteful number, since it uses less digits than its factorization.

2209116768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011646 (or 23011638 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2209116768 is about 47001.2421963505. The cubic root of 2209116768 is about 1302.3855149441.

The spelling of 2209116768 in words is "two billion, two hundred nine million, one hundred sixteen thousand, seven hundred sixty-eight".