1161326922 has 32 divisors (see below), whose sum is σ = 2655762432. Its totient is φ = 331645104.

The previous prime is 1161326917. The next prime is 1161326923. The reversal of 1161326922 is 2296231611.

It is not an unprimeable number, because it can be changed into a prime (1161326923) 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 15 ways as a sum of consecutive naturals, for example, 99603 + ... + 110649.

It is an arithmetic number, because the mean of its divisors is an integer number (82992576).

Almost surely, 2^1161326922 is an apocalyptic number.

1161326922 is an abundant number, since it is smaller than the sum of its proper divisors (1494435510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161326922 is a wasteful number, since it uses less digits than its factorization.

1161326922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562.

The product of its digits is 7776, while the sum is 33.

The square root of 1161326922 is about 34078.2470499878. The cubic root of 1161326922 is about 1051.1180598398.

The spelling of 1161326922 in words is "one billion, one hundred sixty-one million, three hundred twenty-six thousand, nine hundred twenty-two".