664122110 has 16 divisors (see below), whose sum is σ = 1196154000. Its totient is φ = 265485696.

The previous prime is 664122097. The next prime is 664122133. The reversal of 664122110 is 11221466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 36534.

It is an arithmetic number, because the mean of its divisors is an integer number (74759625).

Almost surely, 2^664122110 is an apocalyptic number.

664122110 is a deficient number, since it is larger than the sum of its proper divisors (532031890).

664122110 is a wasteful number, since it uses less digits than its factorization.

664122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40795.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 664122110 is about 25770.5667380444. The cubic root of 664122110 is about 872.4676101746.

Adding to 664122110 its reverse (11221466), we get a palindrome (675343576).

The spelling of 664122110 in words is "six hundred sixty-four million, one hundred twenty-two thousand, one hundred ten".