664102 has 8 divisors (see below), whose sum is σ = 1039536. Its totient is φ = 317592.

The previous prime is 664099. The next prime is 664109. The reversal of 664102 is 201466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 664102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7173 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (129942).

2⁶⁶⁴¹⁰² is an apocalyptic number.

664102 is a deficient number, since it is larger than the sum of its proper divisors (375434).

664102 is a wasteful number, since it uses less digits than its factorization.

664102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 664102 is about 814.9245363836. The cubic root of 664102 is about 87.2458803812.

Adding to 664102 its reverse (201466), we get a palindrome (865568).

The spelling of 664102 in words is "six hundred sixty-four thousand, one hundred two".