1066180863 has 32 divisors (see below), whose sum is σ = 1596160512. Its totient is φ = 627350400.

The previous prime is 1066180859. The next prime is 1066180873. The reversal of 1066180863 is 3680816601.

It is not a de Polignac number, because 1066180863 - 2² = 1066180859 is a prime.

It is a super-2 number, since 2×1066180863² = 2273483265254849538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066180873) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1004353 + ... + 1005413.

It is an arithmetic number, because the mean of its divisors is an integer number (49880016).

Almost surely, 2^1066180863 is an apocalyptic number.

1066180863 is a deficient number, since it is larger than the sum of its proper divisors (529979649).

1066180863 is a wasteful number, since it uses less digits than its factorization.

1066180863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1066180863 is about 32652.4250707356. The cubic root of 1066180863 is about 1021.5907713319.

The spelling of 1066180863 in words is "one billion, sixty-six million, one hundred eighty thousand, eight hundred sixty-three".