1091343163 has 8 divisors (see below), whose sum is σ = 1098746208. Its totient is φ = 1083950784.

The previous prime is 1091343091. The next prime is 1091343181. The reversal of 1091343163 is 3613431901.

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 1091343163 - 2²⁵ = 1057788731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1091340163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 368095 + ... + 371047.

It is an arithmetic number, because the mean of its divisors is an integer number (137343276).

Almost surely, 2^1091343163 is an apocalyptic number.

1091343163 is a deficient number, since it is larger than the sum of its proper divisors (7403045).

1091343163 is a wasteful number, since it uses less digits than its factorization.

1091343163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1091343163 is about 33035.4833928611. The cubic root of 1091343163 is about 1029.5650166279.

The spelling of 1091343163 in words is "one billion, ninety-one million, three hundred forty-three thousand, one hundred sixty-three".