2163306680 has 16 divisors (see below), whose sum is σ = 4867440120. Its totient is φ = 865322656.

The previous prime is 2163306667. The next prime is 2163306689. The reversal of 2163306680 is 866033612.

It is a self number, because there is not a number n which added to its sum of digits gives 2163306680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163306689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27041294 + ... + 27041373.

Almost surely, 2^2163306680 is an apocalyptic number.

2163306680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2163306680 is an abundant number, since it is smaller than the sum of its proper divisors (2704133440).

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

2163306680 is a wasteful number, since it uses less digits than its factorization.

2163306680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54082678 (or 54082674 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2163306680 is about 46511.3607627212. The cubic root of 2163306680 is about 1293.3201097478.

The spelling of 2163306680 in words is "two billion, one hundred sixty-three million, three hundred six thousand, six hundred eighty".