664324041 has 8 divisors (see below), whose sum is σ = 885884704. Its totient is φ = 442823040.

The previous prime is 664324021. The next prime is 664324043. The reversal of 664324041 is 140423466.

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

It is not a de Polignac number, because 664324041 - 2⁵ = 664324009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664324043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33810 + ... + 49716.

It is an arithmetic number, because the mean of its divisors is an integer number (110735588).

Almost surely, 2^664324041 is an apocalyptic number.

It is an amenable number.

664324041 is a deficient number, since it is larger than the sum of its proper divisors (221560663).

664324041 is a wasteful number, since it uses less digits than its factorization.

664324041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29831.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 664324041 is about 25774.4843013396. The cubic root of 664324041 is about 872.5560278523.

The spelling of 664324041 in words is "six hundred sixty-four million, three hundred twenty-four thousand, forty-one".