664124 has 6 divisors (see below), whose sum is σ = 1162224. Its totient is φ = 332060.

The previous prime is 664123. The next prime is 664133. The reversal of 664124 is 421466.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 664124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83012 + ... + 83019.

It is an arithmetic number, because the mean of its divisors is an integer number (193704).

2⁶⁶⁴¹²⁴ is an apocalyptic number.

It is an amenable number.

664124 is a deficient number, since it is larger than the sum of its proper divisors (498100).

664124 is a wasteful number, since it uses less digits than its factorization.

664124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166035 (or 166033 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 664124 is about 814.9380344542. The cubic root of 664124 is about 87.2468437815.

The spelling of 664124 in words is "six hundred sixty-four thousand, one hundred twenty-four".