2662216680 has 32 divisors (see below), whose sum is σ = 7986650400. Its totient is φ = 709924416.

The previous prime is 2662216679. The next prime is 2662216693. The reversal of 2662216680 is 866122662.

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, 11092450 + ... + 11092689.

It is an arithmetic number, because the mean of its divisors is an integer number (249582825).

Almost surely, 2^2662216680 is an apocalyptic number.

2662216680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662216680 is an abundant number, since it is smaller than the sum of its proper divisors (5324433720).

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

2662216680 is a wasteful number, since it uses less digits than its factorization.

2662216680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22185153 (or 22185149 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2662216680 is about 51596.6731485665. The cubic root of 2662216680 is about 1385.9507571276.

The spelling of 2662216680 in words is "two billion, six hundred sixty-two million, two hundred sixteen thousand, six hundred eighty".