2666088620 has 48 divisors (see below), whose sum is σ = 6044099040. Its totient is φ = 982012416.

The previous prime is 2666088599. The next prime is 2666088671. The reversal of 2666088620 is 268806662.

It is a happy number.

2666088620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96704 + ... + 121176.

It is an arithmetic number, because the mean of its divisors is an integer number (125918730).

Almost surely, 2^2666088620 is an apocalyptic number.

2666088620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666088620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3022049520).

2666088620 is an abundant number, since it is smaller than the sum of its proper divisors (3378010420).

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

2666088620 is a wasteful number, since it uses less digits than its factorization.

2666088620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24914 (or 24912 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2666088620 is about 51634.1807333088. The cubic root of 2666088620 is about 1386.6223426671.

The spelling of 2666088620 in words is "two billion, six hundred sixty-six million, eighty-eight thousand, six hundred twenty".