165479587 has 8 divisors (see below), whose sum is σ = 203667296. Its totient is φ = 130928832.

The previous prime is 165479563. The next prime is 165479591. The reversal of 165479587 is 785974561.

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

It is a cyclic number.

It is not a de Polignac number, because 165479587 - 2¹⁵ = 165446819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165479087) 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 in 7 ways as a sum of consecutive naturals, for example, 909138 + ... + 909319.

It is an arithmetic number, because the mean of its divisors is an integer number (25458412).

Almost surely, 2^165479587 is an apocalyptic number.

165479587 is a deficient number, since it is larger than the sum of its proper divisors (38187709).

165479587 is a wasteful number, since it uses less digits than its factorization.

165479587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818477.

The product of its digits is 2116800, while the sum is 52.

The square root of 165479587 is about 12863.8869320280. The cubic root of 165479587 is about 549.0115436252.

The spelling of 165479587 in words is "one hundred sixty-five million, four hundred seventy-nine thousand, five hundred eighty-seven".