664122103 has 8 divisors (see below), whose sum is σ = 668196000. Its totient is φ = 660055968.

The previous prime is 664122097. The next prime is 664122133. The reversal of 664122103 is 301221466.

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

It is a cyclic number.

It is not a de Polignac number, because 664122103 - 2²⁵ = 630567671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664122133) by changing a digit.

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, 319953 + ... + 322021.

It is an arithmetic number, because the mean of its divisors is an integer number (83524500).

Almost surely, 2^664122103 is an apocalyptic number.

664122103 is a deficient number, since it is larger than the sum of its proper divisors (4073897).

664122103 is a wasteful number, since it uses less digits than its factorization.

664122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881.

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

The square root of 664122103 is about 25770.5666022305. The cubic root of 664122103 is about 872.4676071093.

Adding to 664122103 its reverse (301221466), we get a palindrome (965343569).

It can be divided in two parts, 664122 and 103, that added together give a square (664225 = 815²).

The spelling of 664122103 in words is "six hundred sixty-four million, one hundred twenty-two thousand, one hundred three".