2664206080 has 72 divisors (see below), whose sum is σ = 6394670352. Its totient is φ = 1063501824.

The previous prime is 2664206071. The next prime is 2664206101. The reversal of 2664206080 is 806024662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718792 + ... + 722488.

It is an arithmetic number, because the mean of its divisors is an integer number (88814866).

Almost surely, 2^2664206080 is an apocalyptic number.

2664206080 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 2664206080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197335176).

2664206080 is an abundant number, since it is smaller than the sum of its proper divisors (3730464272).

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

2664206080 is an equidigital number, since it uses as much as digits as its factorization.

2664206080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2664206080 is about 51615.9479230983. The cubic root of 2664206080 is about 1386.2958985714.

The spelling of 2664206080 in words is "two billion, six hundred sixty-four million, two hundred six thousand, eighty".