664302541 has 8 divisors (see below), whose sum is σ = 777720384. Its totient is φ = 555514080.

The previous prime is 664302539. The next prime is 664302563. The reversal of 664302541 is 145203466.

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 664302541 - 2¹ = 664302539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664302241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157035 + ... + 1157608.

It is an arithmetic number, because the mean of its divisors is an integer number (97215048).

Almost surely, 2^664302541 is an apocalyptic number.

It is an amenable number.

664302541 is a deficient number, since it is larger than the sum of its proper divisors (113417843).

664302541 is a wasteful number, since it uses less digits than its factorization.

664302541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314691.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 664302541 is about 25774.0672188151. The cubic root of 664302541 is about 872.5466146965.

The spelling of 664302541 in words is "six hundred sixty-four million, three hundred two thousand, five hundred forty-one".