2806616860 has 48 divisors (see below), whose sum is σ = 6155150400. Its totient is φ = 1072963584.

The previous prime is 2806616831. The next prime is 2806616873. The reversal of 2806616860 is 686166082.

It is a congruent number.

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, 1042396 + ... + 1045084.

It is an arithmetic number, because the mean of its divisors is an integer number (128232300).

Almost surely, 2^2806616860 is an apocalyptic number.

2806616860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2806616860 is an abundant number, since it is smaller than the sum of its proper divisors (3348533540).

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

2806616860 is a wasteful number, since it uses less digits than its factorization.

2806616860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2806616860 is about 52977.5127766489. The cubic root of 2806616860 is about 1410.5691346274.

The spelling of 2806616860 in words is "two billion, eight hundred six million, six hundred sixteen thousand, eight hundred sixty".