1166393088 has 144 divisors (see below), whose sum is σ = 3942140160. Its totient is φ = 333241344.

The previous prime is 1166393083. The next prime is 1166393093. The reversal of 1166393088 is 8803936611.

It is a happy number.

1166393088 is a `hidden beast` number, since 1 + 1 + 6 + 639 + 3 + 0 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1166393083) and next prime (1166393093).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166393083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36331 + ... + 60437.

Almost surely, 2^1166393088 is an apocalyptic number.

1166393088 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 1166393088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971070080).

1166393088 is an abundant number, since it is smaller than the sum of its proper divisors (2775747072).

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

1166393088 is an equidigital number, since it uses as much as digits as its factorization.

1166393088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24139 (or 24119 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1166393088 is about 34152.4975367835. The cubic root of 1166393088 is about 1052.6443064510.

The spelling of 1166393088 in words is "one billion, one hundred sixty-six million, three hundred ninety-three thousand, eighty-eight".