802099566 has 12 divisors (see below), whose sum is σ = 1737882432. Its totient is φ = 267366516.

The previous prime is 802099547. The next prime is 802099577. The reversal of 802099566 is 665990208.

802099566 is a `hidden beast` number, since 80 + 2 + 0 + 9 + 9 + 566 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22280526 + ... + 22280561.

It is an arithmetic number, because the mean of its divisors is an integer number (144823536).

Almost surely, 2^802099566 is an apocalyptic number.

802099566 is an abundant number, since it is smaller than the sum of its proper divisors (935782866).

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

802099566 is a wasteful number, since it uses less digits than its factorization.

802099566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44561095 (or 44561092 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 802099566 is about 28321.3623612989. The cubic root of 802099566 is about 929.1291674821.

The spelling of 802099566 in words is "eight hundred two million, ninety-nine thousand, five hundred sixty-six".