165862 has 8 divisors (see below), whose sum is σ = 251136. Its totient is φ = 82152.

The previous prime is 165857. The next prime is 165877. The reversal of 165862 is 268561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 165862.

It is a congruent number.

It is an unprimeable number.

165862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 580.

It is an arithmetic number, because the mean of its divisors is an integer number (31392).

2¹⁶⁵⁸⁶² is an apocalyptic number.

165862 is a deficient number, since it is larger than the sum of its proper divisors (85274).

165862 is a wasteful number, since it uses less digits than its factorization.

165862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its digits is 2880, while the sum is 28.

The square root of 165862 is about 407.2615866983. The cubic root of 165862 is about 54.9434128743.

The spelling of 165862 in words is "one hundred sixty-five thousand, eight hundred sixty-two".