1166551093263 has 4 divisors (see below), whose sum is σ = 1555401457688. Its totient is φ = 777700728840.

The previous prime is 1166551093247. The next prime is 1166551093439. The reversal of 1166551093263 is 3623901556611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1166551093263 - 2⁴ = 1166551093247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166551093223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194425182208 + ... + 194425182213.

It is an arithmetic number, because the mean of its divisors is an integer number (388850364422).

Almost surely, 2^{1166551093263} is an apocalyptic number.

1166551093263 is a deficient number, since it is larger than the sum of its proper divisors (388850364425).

1166551093263 is an equidigital number, since it uses as much as digits as its factorization.

1166551093263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388850364424.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 1166551093263 in words is "one trillion, one hundred sixty-six billion, five hundred fifty-one million, ninety-three thousand, two hundred sixty-three".