1165907984 has 10 divisors (see below), whose sum is σ = 2258946750. Its totient is φ = 582953984.

The previous prime is 1165907983. The next prime is 1165907989. The reversal of 1165907984 is 4897095611.

It can be written as a sum of positive squares in only one way, i.e., 892336384 + 273571600 = 29872^2 + 16540^2 .

It is not an unprimeable number, because it can be changed into a prime (1165907983) 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 as a sum of consecutive naturals, namely, 36434609 + ... + 36434640.

It is an arithmetic number, because the mean of its divisors is an integer number (225894675).

Almost surely, 2^1165907984 is an apocalyptic number.

It is an amenable number.

1165907984 is a deficient number, since it is larger than the sum of its proper divisors (1093038766).

1165907984 is an equidigital number, since it uses as much as digits as its factorization.

1165907984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72869257 (or 72869251 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1165907984 is about 34145.3947700125. The cubic root of 1165907984 is about 1052.4983542909.

The spelling of 1165907984 in words is "one billion, one hundred sixty-five million, nine hundred seven thousand, nine hundred eighty-four".