165588213 has 8 divisors (see below), whose sum is σ = 252324928. Its totient is φ = 94621824.

The previous prime is 165588197. The next prime is 165588223. The reversal of 165588213 is 312885561.

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

It is not a de Polignac number, because 165588213 - 2⁴ = 165588197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165588223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942556 + ... + 3942597.

It is an arithmetic number, because the mean of its divisors is an integer number (31540616).

Almost surely, 2^165588213 is an apocalyptic number.

It is an amenable number.

165588213 is a deficient number, since it is larger than the sum of its proper divisors (86736715).

165588213 is an equidigital number, since it uses as much as digits as its factorization.

165588213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885163.

The product of its digits is 57600, while the sum is 39.

The square root of 165588213 is about 12868.1083691427. The cubic root of 165588213 is about 549.1316468246.

The spelling of 165588213 in words is "one hundred sixty-five million, five hundred eighty-eight thousand, two hundred thirteen".