664310343 has 16 divisors (see below), whose sum is σ = 938377440. Its totient is φ = 416587776.

The previous prime is 664310341. The next prime is 664310351. The reversal of 664310343 is 343013466.

It is not a de Polignac number, because 664310343 - 2¹ = 664310341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 664310343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664310341) 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, 152743 + ... + 157031.

It is an arithmetic number, because the mean of its divisors is an integer number (58648590).

Almost surely, 2^664310343 is an apocalyptic number.

664310343 is a deficient number, since it is larger than the sum of its proper divisors (274067097).

664310343 is a wasteful number, since it uses less digits than its factorization.

664310343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 664310343 is about 25774.2185720537. The cubic root of 664310343 is about 872.5500306010.

The spelling of 664310343 in words is "six hundred sixty-four million, three hundred ten thousand, three hundred forty-three".