1166796288 has 240 divisors, whose sum is σ = 3918204576. Its totient is φ = 327352320.

The previous prime is 1166796283. The next prime is 1166796299. The reversal of 1166796288 is 8826976611.

1166796288 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 7 + 9 + 628 + 8 = 666.

It is a super-2 number, since 2×1166796288² = 2722827155381157888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166796283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1967320 + ... + 1967912.

Almost surely, 2^1166796288 is an apocalyptic number.

1166796288 is a gapful number since it is divisible by the number (18) 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 1166796288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959102288).

1166796288 is an abundant number, since it is smaller than the sum of its proper divisors (2751408288).

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

1166796288 is an equidigital number, since it uses as much as digits as its factorization.

1166796288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 666 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1166796288 is about 34158.3999625275. The cubic root of 1166796288 is about 1052.7655855443.

The spelling of 1166796288 in words is "one billion, one hundred sixty-six million, seven hundred ninety-six thousand, two hundred eighty-eight".