2663881000 has 64 divisors (see below), whose sum is σ = 6800189760. Its totient is φ = 968680000.

The previous prime is 2663880941. The next prime is 2663881001. The reversal of 2663881000 is 1883662.

2663881000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2663881000² = 14192523964322000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2663881001) 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, 110086 + ... + 132085.

It is an arithmetic number, because the mean of its divisors is an integer number (106252965).

Almost surely, 2^2663881000 is an apocalyptic number.

2663881000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663881000 is an abundant number, since it is smaller than the sum of its proper divisors (4136308760).

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

2663881000 is a wasteful number, since it uses less digits than its factorization.

2663881000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242203 (or 242189 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2663881000 is about 51612.7988002976. The cubic root of 2663881000 is about 1386.2395121174.

The spelling of 2663881000 in words is "two billion, six hundred sixty-three million, eight hundred eighty-one thousand".