1166205363 has 12 divisors (see below), whose sum is σ = 1625488200. Its totient is φ = 743666176.

The previous prime is 1166205323. The next prime is 1166205371. The reversal of 1166205363 is 3635026611.

It is not a de Polignac number, because 1166205363 - 2²⁵ = 1132650931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166205323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365838 + ... + 369011.

It is an arithmetic number, because the mean of its divisors is an integer number (135457350).

Almost surely, 2^1166205363 is an apocalyptic number.

1166205363 is a deficient number, since it is larger than the sum of its proper divisors (459282837).

1166205363 is an equidigital number, since it uses as much as digits as its factorization.

1166205363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734898 (or 734875 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1166205363 is about 34149.7490913184. The cubic root of 1166205363 is about 1052.5878308492.

The spelling of 1166205363 in words is "one billion, one hundred sixty-six million, two hundred five thousand, three hundred sixty-three".