2636116808 has 16 divisors (see below), whose sum is σ = 5322928380. Its totient is φ = 1216669248.

The previous prime is 2636116789. The next prime is 2636116811. The reversal of 2636116808 is 8086116362.

It can be written as a sum of positive squares in 2 ways, for example, as 2408650084 + 227466724 = 49078^2 + 15082^2 .

It is a super-2 number, since 2×2636116808² = 13898223650840217728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12673535 + ... + 12673742.

Almost surely, 2^2636116808 is an apocalyptic number.

It is an amenable number.

2636116808 is an abundant number, since it is smaller than the sum of its proper divisors (2686811572).

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

2636116808 is a wasteful number, since it uses less digits than its factorization.

2636116808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347296 (or 25347292 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2636116808 is about 51343.1281477862. The cubic root of 2636116808 is about 1381.4066745887.

The spelling of 2636116808 in words is "two billion, six hundred thirty-six million, one hundred sixteen thousand, eight hundred eight".