1166779208 has 64 divisors (see below), whose sum is σ = 2675126400. Its totient is φ = 465937920.

The previous prime is 1166779199. The next prime is 1166779247. The reversal of 1166779208 is 8029776611.

It is a super-2 number, since 2×1166779208² = 2722747440442214528, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 55916 + ... + 73892.

It is an arithmetic number, because the mean of its divisors is an integer number (41798850).

Almost surely, 2^1166779208 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 1166779208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337563200).

1166779208 is an abundant number, since it is smaller than the sum of its proper divisors (1508347192).

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

1166779208 is a wasteful number, since it uses less digits than its factorization.

1166779208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070 (or 18066 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1166779208 is about 34158.1499499021. The cubic root of 1166779208 is about 1052.7604485939.

The spelling of 1166779208 in words is "one billion, one hundred sixty-six million, seven hundred seventy-nine thousand, two hundred eight".