2663877664 has 96 divisors (see below), whose sum is σ = 6303661056. Its totient is φ = 1083413760.

The previous prime is 2663877661. The next prime is 2663877719. The reversal of 2663877664 is 4667783662.

It is not an unprimeable number, because it can be changed into a prime (2663877661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672939 + ... + 676885.

It is an arithmetic number, because the mean of its divisors is an integer number (65663136).

Almost surely, 2^2663877664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2663877664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3151830528).

2663877664 is an abundant number, since it is smaller than the sum of its proper divisors (3639783392).

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

2663877664 is a wasteful number, since it uses less digits than its factorization.

2663877664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4110 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 55.

The square root of 2663877664 is about 51612.7664827221. The cubic root of 2663877664 is about 1386.2389334508.

The spelling of 2663877664 in words is "two billion, six hundred sixty-three million, eight hundred seventy-seven thousand, six hundred sixty-four".