162747 has 18 divisors (see below), whose sum is σ = 256932. Its totient is φ = 99216.

The previous prime is 162739. The next prime is 162749. The reversal of 162747 is 747261.

It is not a de Polignac number, because 162747 - 2³ = 162739 is a prime.

It is a plaindrome in base 15 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 162747.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162747.

It is not an unprimeable number, because it can be changed into a prime (162749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1468 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (14274).

2¹⁶²⁷⁴⁷ is an apocalyptic number.

162747 is a deficient number, since it is larger than the sum of its proper divisors (94185).

162747 is a wasteful number, since it uses less digits than its factorization.

162747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 123 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 162747 is about 403.4191368788. The cubic root of 162747 is about 54.5972787759.

It can be divided in two parts, 162 and 747, that added together give a palindrome (909).

The spelling of 162747 in words is "one hundred sixty-two thousand, seven hundred forty-seven".