2663886336 has 160 divisors (see below), whose sum is σ = 7675282560. Its totient is φ = 818159616.

The previous prime is 2663886331. The next prime is 2663886367. The reversal of 2663886336 is 6336883662.

It is a super-2 number, since 2×2663886336² = 14192580822255009792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663886331) 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, 1078575 + ... + 1081041.

It is an arithmetic number, because the mean of its divisors is an integer number (47970516).

Almost surely, 2^2663886336 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 2663886336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3837641280).

2663886336 is an abundant number, since it is smaller than the sum of its proper divisors (5011396224).

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

2663886336 is a wasteful number, since it uses less digits than its factorization.

2663886336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2528 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 51.

The square root of 2663886336 is about 51612.8504928763. The cubic root of 2663886336 is about 1386.2404377054.

The spelling of 2663886336 in words is "two billion, six hundred sixty-three million, eight hundred eighty-six thousand, three hundred thirty-six".