1166001330 has 128 divisors (see below), whose sum is σ = 3218890752. Its totient is φ = 268063488.

The previous prime is 1166001311. The next prime is 1166001349. The reversal of 1166001330 is 331006611.

It is an interprime number because it is at equal distance from previous prime (1166001311) and next prime (1166001349).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1166001297 and 1166001306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384199 + ... + 387221.

It is an arithmetic number, because the mean of its divisors is an integer number (25147584).

Almost surely, 2^1166001330 is an apocalyptic number.

1166001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166001330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609445376).

1166001330 is an abundant number, since it is smaller than the sum of its proper divisors (2052889422).

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

1166001330 is a wasteful number, since it uses less digits than its factorization.

1166001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1166001330 is about 34146.7616326937. The cubic root of 1166001330 is about 1052.5264422392.

Adding to 1166001330 its reverse (331006611), we get a palindrome (1497007941).

The spelling of 1166001330 in words is "one billion, one hundred sixty-six million, one thousand, three hundred thirty".