2662846680 has 512 divisors, whose sum is σ = 9754214400. Its totient is φ = 575078400.

The previous prime is 2662846679. The next prime is 2662846709. The reversal of 2662846680 is 866482662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33706881 + ... + 33706959.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 2^2662846680 is an apocalyptic number.

2662846680 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 2662846680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4877107200).

2662846680 is an abundant number, since it is smaller than the sum of its proper divisors (7091367720).

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

2662846680 is a wasteful number, since it uses less digits than its factorization.

2662846680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2662846680 is about 51602.7778322059. Note that the first 3 decimals coincide. The cubic root of 2662846680 is about 1386.0600745644.

The spelling of 2662846680 in words is "two billion, six hundred sixty-two million, eight hundred forty-six thousand, six hundred eighty".