1110666816 has 280 divisors, whose sum is σ = 3808065536. Its totient is φ = 313528320.

The previous prime is 1110666811. The next prime is 1110666829. The reversal of 1110666816 is 6186660111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1110666811) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4608456 + ... + 4608696.

Almost surely, 2^1110666816 is an apocalyptic number.

1110666816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110666816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904032768).

1110666816 is an abundant number, since it is smaller than the sum of its proper divisors (2697398720).

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

1110666816 is a wasteful number, since it uses less digits than its factorization.

1110666816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1110666816 is about 33326.6682403147. The cubic root of 1110666816 is about 1035.6060974252.

The spelling of 1110666816 in words is "one billion, one hundred ten million, six hundred sixty-six thousand, eight hundred sixteen".