1168922091 has 16 divisors (see below), whose sum is σ = 1651148064. Its totient is φ = 733039104.

The previous prime is 1168922087. The next prime is 1168922113. The reversal of 1168922091 is 1902298611.

It is not a de Polignac number, because 1168922091 - 2² = 1168922087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1168922291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107685 + ... + 118041.

It is an arithmetic number, because the mean of its divisors is an integer number (103196754).

Almost surely, 2^1168922091 is an apocalyptic number.

1168922091 is a deficient number, since it is larger than the sum of its proper divisors (482225973).

1168922091 is a wasteful number, since it uses less digits than its factorization.

1168922091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1168922091 is about 34189.5026433553. The cubic root of 1168922091 is about 1053.4045472625.

The spelling of 1168922091 in words is "one billion, one hundred sixty-eight million, nine hundred twenty-two thousand, ninety-one".