664141017 has 16 divisors (see below), whose sum is σ = 899519040. Its totient is φ = 435801792.

The previous prime is 664141007. The next prime is 664141021. The reversal of 664141017 is 710141466.

It is not a de Polignac number, because 664141017 - 2¹⁴ = 664124633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664141007) 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 15 ways as a sum of consecutive naturals, for example, 64159 + ... + 73787.

It is an arithmetic number, because the mean of its divisors is an integer number (56219940).

Almost surely, 2^664141017 is an apocalyptic number.

It is an amenable number.

664141017 is a deficient number, since it is larger than the sum of its proper divisors (235378023).

664141017 is a wasteful number, since it uses less digits than its factorization.

664141017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9992.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 664141017 is about 25770.9335686544. The cubic root of 664141017 is about 872.4758895700.

The spelling of 664141017 in words is "six hundred sixty-four million, one hundred forty-one thousand, seventeen".