1165083264 has 160 divisors (see below), whose sum is σ = 3504140640. Its totient is φ = 384238080.

The previous prime is 1165083263. The next prime is 1165083281. The reversal of 1165083264 is 4623805611.

It is a happy number.

1165083264 is a `hidden beast` number, since 116 + 508 + 32 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1165083263) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1067359 + ... + 1068449.

It is an arithmetic number, because the mean of its divisors is an integer number (21900879).

Almost surely, 2^1165083264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165083264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752070320).

1165083264 is an abundant number, since it is smaller than the sum of its proper divisors (2339057376).

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

1165083264 is a wasteful number, since it uses less digits than its factorization.

1165083264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1165083264 is about 34133.3160416623. The cubic root of 1165083264 is about 1052.2501296732.

Adding to 1165083264 its reverse (4623805611), we get a palindrome (5788888875).

The spelling of 1165083264 in words is "one billion, one hundred sixty-five million, eighty-three thousand, two hundred sixty-four".