1110066660 has 48 divisors (see below), whose sum is σ = 3453542400. Its totient is φ = 296017632.

The previous prime is 1110066619. The next prime is 1110066667. The reversal of 1110066660 is 666600111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1110066667) 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, 1027300 + ... + 1028379.

It is an arithmetic number, because the mean of its divisors is an integer number (71948800).

Almost surely, 2^1110066660 is an apocalyptic number.

1110066660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110066660 is an abundant number, since it is smaller than the sum of its proper divisors (2343475740).

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

1110066660 is a wasteful number, since it uses less digits than its factorization.

1110066660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055697 (or 2055689 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1110066660 is about 33317.6628832216. The cubic root of 1110066660 is about 1035.4195316655.

Adding to 1110066660 its reverse (666600111), we get a palindrome (1776666771).

The spelling of 1110066660 in words is "one billion, one hundred ten million, sixty-six thousand, six hundred sixty".