2199196566 has 48 divisors (see below), whose sum is σ = 5682403584. Its totient is φ = 601021872.

The previous prime is 2199196511. The next prime is 2199196567. The reversal of 2199196566 is 6656919912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199196567) 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 23 ways as a sum of consecutive naturals, for example, 376536 + ... + 382331.

It is an arithmetic number, because the mean of its divisors is an integer number (118383408).

Almost surely, 2^2199196566 is an apocalyptic number.

2199196566 is an abundant number, since it is smaller than the sum of its proper divisors (3483207018).

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

2199196566 is a wasteful number, since it uses less digits than its factorization.

2199196566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758905 (or 758902 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 2199196566 is about 46895.5921809289. The cubic root of 2199196566 is about 1300.4331034245.

It can be divided in two parts, 2199 and 196566, that added together give a triangular number (198765 = T₆₃₀).

The spelling of 2199196566 in words is "two billion, one hundred ninety-nine million, one hundred ninety-six thousand, five hundred sixty-six".