646162 has 16 divisors (see below), whose sum is σ = 1104192. Its totient is φ = 280720.

The previous prime is 646159. The next prime is 646169. The reversal of 646162 is 261646.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 646162.

It is not an unprimeable number, because it can be changed into a prime (646169) 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, 133 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (69012).

2⁶⁴⁶¹⁶² is an apocalyptic number.

646162 is a deficient number, since it is larger than the sum of its proper divisors (458030).

646162 is a wasteful number, since it uses less digits than its factorization.

646162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 1728, while the sum is 25.

The square root of 646162 is about 803.8420242809. The cubic root of 646162 is about 86.4530802376.

It can be divided in two parts, 646 and 162, that added together give a palindrome (808).

The spelling of 646162 in words is "six hundred forty-six thousand, one hundred sixty-two".