162641 has 2 divisors, whose sum is σ = 162642. Its totient is φ = 162640.

The previous prime is 162629. The next prime is 162649. The reversal of 162641 is 146261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92416 + 70225 = 304^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 162641 - 2⁶ = 162577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81320 + 81321.

It is an arithmetic number, because the mean of its divisors is an integer number (81321).

2¹⁶²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

162641 is a deficient number, since it is larger than the sum of its proper divisors (1).

162641 is an equidigital number, since it uses as much as digits as its factorization.

162641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 162641 is about 403.2877384697. The cubic root of 162641 is about 54.5854228104.

It can be divided in two parts, 1626 and 41, that multiplied together give a palindrome (66666).

The spelling of 162641 in words is "one hundred sixty-two thousand, six hundred forty-one".