1066563836 has 24 divisors (see below), whose sum is σ = 2018862720. Its totient is φ = 490105152.

The previous prime is 1066563829. The next prime is 1066563851. The reversal of 1066563836 is 6383656601.

It is a super-2 number, since 2×1066563836² = 2275116832526069792, 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, 32876 + ... + 56691.

It is an arithmetic number, because the mean of its divisors is an integer number (84119280).

Almost surely, 2^1066563836 is an apocalyptic number.

It is an amenable number.

1066563836 is a deficient number, since it is larger than the sum of its proper divisors (952298884).

1066563836 is a wasteful number, since it uses less digits than its factorization.

1066563836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89813 (or 89811 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 1066563836 is about 32658.2889325206. The cubic root of 1066563836 is about 1021.7130754238.

The spelling of 1066563836 in words is "one billion, sixty-six million, five hundred sixty-three thousand, eight hundred thirty-six".