165358 has 8 divisors (see below), whose sum is σ = 256680. Its totient is φ = 79800.

The previous prime is 165349. The next prime is 165367. The reversal of 165358 is 853561.

It is an interprime number because it is at equal distance from previous prime (165349) and next prime (165367).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (32085).

2¹⁶⁵³⁵⁸ is an apocalyptic number.

165358 is a deficient number, since it is larger than the sum of its proper divisors (91322).

165358 is a wasteful number, since it uses less digits than its factorization.

165358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882.

The product of its digits is 3600, while the sum is 28.

The square root of 165358 is about 406.6423489997. The cubic root of 165358 is about 54.8877047636.

It can be divided in two parts, 1653 and 58, that added together give a triangular number (1711 = T₅₈).

The spelling of 165358 in words is "one hundred sixty-five thousand, three hundred fifty-eight".