1091228667163 has 8 divisors (see below), whose sum is σ = 1094019011168. Its totient is φ = 1088440576704.

The previous prime is 1091228667131. The next prime is 1091228667167. The reversal of 1091228667163 is 3617668221901.

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 1091228667163 - 2⁵ = 1091228667131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1091228667163.

It is not an unprimeable number, because it can be changed into a prime (1091228667167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408445 + ... + 1532737.

It is an arithmetic number, because the mean of its divisors is an integer number (136752376396).

Almost surely, 2^{1091228667163} is an apocalyptic number.

1091228667163 is a deficient number, since it is larger than the sum of its proper divisors (2790344005).

1091228667163 is a wasteful number, since it uses less digits than its factorization.

1091228667163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126773.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1091228667163 in words is "one trillion, ninety-one billion, two hundred twenty-eight million, six hundred sixty-seven thousand, one hundred sixty-three".