1166052605 has 8 divisors (see below), whose sum is σ = 1399488000. Its totient is φ = 932692176.

The previous prime is 1166052557. The next prime is 1166052623. The reversal of 1166052605 is 5062506611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166052605 - 2¹⁰ = 1166051581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24596 + ... + 54194.

It is an arithmetic number, because the mean of its divisors is an integer number (174936000).

Almost surely, 2^1166052605 is an apocalyptic number.

It is an amenable number.

1166052605 is a deficient number, since it is larger than the sum of its proper divisors (233435395).

1166052605 is an equidigital number, since it uses as much as digits as its factorization.

1166052605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37483.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1166052605 is about 34147.5124277011. The cubic root of 1166052605 is about 1052.5418703240.

The spelling of 1166052605 in words is "one billion, one hundred sixty-six million, fifty-two thousand, six hundred five".