1166450120 has 64 divisors (see below), whose sum is σ = 2867054400. Its totient is φ = 423578880.

The previous prime is 1166450107. The next prime is 1166450141. The reversal of 1166450120 is 210546611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166450120.

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, 437351 + ... + 440009.

It is an arithmetic number, because the mean of its divisors is an integer number (44797725).

Almost surely, 2^1166450120 is an apocalyptic number.

1166450120 is a gapful number since it is divisible by the number (10) 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 1166450120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433527200).

1166450120 is an abundant number, since it is smaller than the sum of its proper divisors (1700604280).

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

1166450120 is a wasteful number, since it uses less digits than its factorization.

1166450120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1166450120 is about 34153.3324874748. The cubic root of 1166450120 is about 1052.6614628832.

Adding to 1166450120 its reverse (210546611), we get a palindrome (1376996731).

The spelling of 1166450120 in words is "one billion, one hundred sixty-six million, four hundred fifty thousand, one hundred twenty".