1116025566 has 16 divisors (see below), whose sum is σ = 2265366144. Its totient is φ = 366456024.

The previous prime is 1116025543. The next prime is 1116025583. The reversal of 1116025566 is 6655206111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387690 + ... + 1388493.

It is an arithmetic number, because the mean of its divisors is an integer number (141585384).

Almost surely, 2^1116025566 is an apocalyptic number.

1116025566 is an abundant number, since it is smaller than the sum of its proper divisors (1149340578).

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

1116025566 is a wasteful number, since it uses less digits than its factorization.

1116025566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776255.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1116025566 is about 33406.9688238846. The cubic root of 1116025566 is about 1037.2689582011.

The spelling of 1116025566 in words is "one billion, one hundred sixteen million, twenty-five thousand, five hundred sixty-six".