162664 has 8 divisors (see below), whose sum is σ = 305010. Its totient is φ = 81328.

The previous prime is 162649. The next prime is 162671. The reversal of 162664 is 466261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96100 + 66564 = 310^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10159 + ... + 10174.

2¹⁶²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

162664 is a deficient number, since it is larger than the sum of its proper divisors (142346).

162664 is a wasteful number, since it uses less digits than its factorization.

162664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20339 (or 20335 counting only the distinct ones).

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

The square root of 162664 is about 403.3162530819. The cubic root of 162664 is about 54.5879957687.

It can be divided in two parts, 16 and 2664, that multiplied together give a palindrome (42624).

The spelling of 162664 in words is "one hundred sixty-two thousand, six hundred sixty-four".