1166284740 has 96 divisors (see below), whose sum is σ = 3320190720. Its totient is φ = 305856000.

The previous prime is 1166284687. The next prime is 1166284781. The reversal of 1166284740 is 474826611.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986950 + ... + 988130.

It is an arithmetic number, because the mean of its divisors is an integer number (34585320).

Almost surely, 2^1166284740 is an apocalyptic number.

1166284740 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 1166284740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660095360).

1166284740 is an abundant number, since it is smaller than the sum of its proper divisors (2153905980).

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

1166284740 is a wasteful number, since it uses less digits than its factorization.

1166284740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1166284740 is about 34150.9112616340. The cubic root of 1166284740 is about 1052.6117115399.

The spelling of 1166284740 in words is "one billion, one hundred sixty-six million, two hundred eighty-four thousand, seven hundred forty".