2660231808 has 512 divisors, whose sum is σ = 9274003200. Its totient is φ = 752467968.

The previous prime is 2660231807. The next prime is 2660231939. The reversal of 2660231808 is 8081320662.

2660231808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2660231807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61865835 + ... + 61865877.

Almost surely, 2^2660231808 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 2660231808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4637001600).

2660231808 is an abundant number, since it is smaller than the sum of its proper divisors (6613771392).

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

2660231808 is an equidigital number, since it uses as much as digits as its factorization.

2660231808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2660231808 is about 51577.4350661217. The cubic root of 2660231808 is about 1385.6062298486.

The spelling of 2660231808 in words is "two billion, six hundred sixty million, two hundred thirty-one thousand, eight hundred eight".