1066531116 has 48 divisors (see below), whose sum is σ = 2846672640. Its totient is φ = 304445760.

The previous prime is 1066531111. The next prime is 1066531153. The reversal of 1066531116 is 6111356601.

It is a super-2 number, since 2×1066531116² = 2274977242792410912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066531111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98071 + ... + 108401.

It is an arithmetic number, because the mean of its divisors is an integer number (59305680).

Almost surely, 2^1066531116 is an apocalyptic number.

It is an amenable number.

1066531116 is an abundant number, since it is smaller than the sum of its proper divisors (1780141524).

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

1066531116 is a wasteful number, since it uses less digits than its factorization.

1066531116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574 (or 11572 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1066531116 is about 32657.7879838791. The cubic root of 1066531116 is about 1021.7026272936.

Adding to 1066531116 its reverse (6111356601), we get a palindrome (7177887717).

The spelling of 1066531116 in words is "one billion, sixty-six million, five hundred thirty-one thousand, one hundred sixteen".