664143301 has 16 divisors (see below), whose sum is σ = 717061248. Its totient is φ = 612864000.

The previous prime is 664143217. The next prime is 664143313. The reversal of 664143301 is 103341466.

It is a cyclic number.

It is not a de Polignac number, because 664143301 - 2¹⁷ = 664012229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 664143301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664143401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231526 + ... + 234376.

It is an arithmetic number, because the mean of its divisors is an integer number (44816328).

Almost surely, 2^664143301 is an apocalyptic number.

It is an amenable number.

664143301 is a deficient number, since it is larger than the sum of its proper divisors (52917947).

664143301 is a wasteful number, since it uses less digits than its factorization.

664143301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 664143301 is about 25770.9778821061. The cubic root of 664143301 is about 872.4768897254.

Adding to 664143301 its reverse (103341466), we get a palindrome (767484767).

The spelling of 664143301 in words is "six hundred sixty-four million, one hundred forty-three thousand, three hundred one".