1166299884 has 72 divisors (see below), whose sum is σ = 3078238800. Its totient is φ = 386109504.

The previous prime is 1166299867. The next prime is 1166299921. The reversal of 1166299884 is 4889926611.

1166299884 is a `hidden beast` number, since 1 + 1 + 6 + 629 + 9 + 8 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1166299884.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 140802 + ... + 148854.

Almost surely, 2^1166299884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166299884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539119400).

1166299884 is an abundant number, since it is smaller than the sum of its proper divisors (1911938916).

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

1166299884 is a wasteful number, since it uses less digits than its factorization.

1166299884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221 (or 8207 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 1166299884 is about 34151.1329826698. The cubic root of 1166299884 is about 1052.6162675122.

The spelling of 1166299884 in words is "one billion, one hundred sixty-six million, two hundred ninety-nine thousand, eight hundred eighty-four".