2193488566 has 16 divisors (see below), whose sum is σ = 3369161664. Its totient is φ = 1070471304.

The previous prime is 2193488509. The next prime is 2193488593. The reversal of 2193488566 is 6658843912.

It is a super-2 number, since 2×2193488566² = 9622784178345472712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122605 + ... + 139351.

It is an arithmetic number, because the mean of its divisors is an integer number (210572604).

Almost surely, 2^2193488566 is an apocalyptic number.

2193488566 is a deficient number, since it is larger than the sum of its proper divisors (1175673098).

2193488566 is a wasteful number, since it uses less digits than its factorization.

2193488566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315.

The product of its digits is 2488320, while the sum is 52.

The square root of 2193488566 is about 46834.6940419173. The cubic root of 2193488566 is about 1299.3070401536.

The spelling of 2193488566 in words is "two billion, one hundred ninety-three million, four hundred eighty-eight thousand, five hundred sixty-six".