1165822842 has 8 divisors (see below), whose sum is σ = 2331645696. Its totient is φ = 388607612.

The previous prime is 1165822807. The next prime is 1165822849. The reversal of 1165822842 is 2482285611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1165822842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1165822842.

It is not an unprimeable number, because it can be changed into a prime (1165822849) 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 3 ways as a sum of consecutive naturals, for example, 97151898 + ... + 97151909.

It is an arithmetic number, because the mean of its divisors is an integer number (291455712).

Almost surely, 2^1165822842 is an apocalyptic number.

1165822842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1165822842 is a wasteful number, since it uses less digits than its factorization.

1165822842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194303812.

The product of its digits is 61440, while the sum is 39.

The square root of 1165822842 is about 34144.1479905415. The cubic root of 1165822842 is about 1052.4727336309.

The spelling of 1165822842 in words is "one billion, one hundred sixty-five million, eight hundred twenty-two thousand, eight hundred forty-two".