664141567 has 8 divisors (see below), whose sum is σ = 709433856. Its totient is φ = 619540992.

The previous prime is 664141549. The next prime is 664141591. The reversal of 664141567 is 765141466.

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 664141567 - 2¹¹ = 664139519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664141967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170943 + ... + 174784.

It is an arithmetic number, because the mean of its divisors is an integer number (88679232).

Almost surely, 2^664141567 is an apocalyptic number.

664141567 is a deficient number, since it is larger than the sum of its proper divisors (45292289).

664141567 is a wasteful number, since it uses less digits than its factorization.

664141567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345857.

The product of its digits is 120960, while the sum is 40.

The square root of 664141567 is about 25770.9442395889. The cubic root of 664141567 is about 872.4761304132.

The spelling of 664141567 in words is "six hundred sixty-four million, one hundred forty-one thousand, five hundred sixty-seven".