1159664559 has 8 divisors (see below), whose sum is σ = 1558394880. Its totient is φ = 767021976.

The previous prime is 1159664501. The next prime is 1159664591. The reversal of 1159664559 is 9554669511.

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

It is not a de Polignac number, because 1159664559 - 2²¹ = 1157567407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159663559) 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 7 ways as a sum of consecutive naturals, for example, 1521489 + ... + 1522250.

It is an arithmetic number, because the mean of its divisors is an integer number (194799360).

Almost surely, 2^1159664559 is an apocalyptic number.

1159664559 is a deficient number, since it is larger than the sum of its proper divisors (398730321).

1159664559 is a wasteful number, since it uses less digits than its factorization.

1159664559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043869.

The product of its digits is 1458000, while the sum is 51.

The square root of 1159664559 is about 34053.8479323556. The cubic root of 1159664559 is about 1050.6162849202.

The spelling of 1159664559 in words is "one billion, one hundred fifty-nine million, six hundred sixty-four thousand, five hundred fifty-nine".