165359361 has 8 divisors (see below), whose sum is σ = 220792960. Its totient is φ = 110082672.

The previous prime is 165359353. The next prime is 165359399. The reversal of 165359361 is 163953561.

165359361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165359361 - 2³ = 165359353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165359861) 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, 36745 + ... + 40998.

It is an arithmetic number, because the mean of its divisors is an integer number (27599120).

Almost surely, 2^165359361 is an apocalyptic number.

It is an amenable number.

165359361 is a deficient number, since it is larger than the sum of its proper divisors (55433599).

165359361 is an equidigital number, since it uses as much as digits as its factorization.

165359361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78455.

The product of its digits is 72900, while the sum is 39.

The square root of 165359361 is about 12859.2130785674. The cubic root of 165359361 is about 548.8785534993.

The spelling of 165359361 in words is "one hundred sixty-five million, three hundred fifty-nine thousand, three hundred sixty-one".