162598 has 4 divisors (see below), whose sum is σ = 243900. Its totient is φ = 81298.

The previous prime is 162593. The next prime is 162601. The reversal of 162598 is 895261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 895261 = 19 ⋅47119.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40648 + ... + 40651.

It is an arithmetic number, because the mean of its divisors is an integer number (60975).

2¹⁶²⁵⁹⁸ is an apocalyptic number.

162598 is a deficient number, since it is larger than the sum of its proper divisors (81302).

162598 is an equidigital number, since it uses as much as digits as its factorization.

162598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81301.

The product of its digits is 4320, while the sum is 31.

The square root of 162598 is about 403.2344231337. The cubic root of 162598 is about 54.5806118463.

The spelling of 162598 in words is "one hundred sixty-two thousand, five hundred ninety-eight".