1120666064 has 80 divisors (see below), whose sum is σ = 2601024000. Its totient is φ = 467220096.

The previous prime is 1120666051. The next prime is 1120666081. The reversal of 1120666064 is 4606660211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120666064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200297 + ... + 205815.

It is an arithmetic number, because the mean of its divisors is an integer number (32512800).

Almost surely, 2^1120666064 is an apocalyptic number.

1120666064 is a gapful number since it is divisible by the number (14) 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 1120666064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300512000).

1120666064 is an abundant number, since it is smaller than the sum of its proper divisors (1480357936).

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

1120666064 is an equidigital number, since it uses as much as digits as its factorization.

1120666064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585 (or 5565 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1120666064 is about 33476.3508166586. The cubic root of 1120666064 is about 1038.7046446572.

The spelling of 1120666064 in words is "one billion, one hundred twenty million, six hundred sixty-six thousand, sixty-four".