1166705552 has 20 divisors (see below), whose sum is σ = 2261021580. Its totient is φ = 583216128.

The previous prime is 1166705543. The next prime is 1166705591. The reversal of 1166705552 is 2555076611.

It can be written as a sum of positive squares in 2 ways, for example, as 1019908096 + 146797456 = 31936^2 + 12116^2 .

It is a super-2 number, since 2×1166705552² = 2722403690135249408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129548 + ... + 138260.

It is an arithmetic number, because the mean of its divisors is an integer number (113051079).

Almost surely, 2^1166705552 is an apocalyptic number.

It is an amenable number.

1166705552 is a deficient number, since it is larger than the sum of its proper divisors (1094316028).

1166705552 is an equidigital number, since it uses as much as digits as its factorization.

1166705552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090 (or 17084 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1166705552 is about 34157.0717714502. The cubic root of 1166705552 is about 1052.7382953722.

The spelling of 1166705552 in words is "one billion, one hundred sixty-six million, seven hundred five thousand, five hundred fifty-two".