1165189152 has 24 divisors (see below), whose sum is σ = 3058621776. Its totient is φ = 388396352.

The previous prime is 1165189147. The next prime is 1165189183. The reversal of 1165189152 is 2519815611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1165189152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6068598 + ... + 6068789.

It is an arithmetic number, because the mean of its divisors is an integer number (127442574).

Almost surely, 2^1165189152 is an apocalyptic number.

1165189152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1165189152 is an abundant number, since it is smaller than the sum of its proper divisors (1893432624).

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

1165189152 is a wasteful number, since it uses less digits than its factorization.

1165189152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12137400 (or 12137392 counting only the distinct ones).

The product of its digits is 21600, while the sum is 39.

The square root of 1165189152 is about 34134.8671009571. The cubic root of 1165189152 is about 1052.2820064469.

The spelling of 1165189152 in words is "one billion, one hundred sixty-five million, one hundred eighty-nine thousand, one hundred fifty-two".