664841534315 has 8 divisors (see below), whose sum is σ = 911782675680. Its totient is φ = 455891337792.

The previous prime is 664841534309. The next prime is 664841534323. The reversal of 664841534315 is 513435148466.

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 664841534315 - 2¹⁴ = 664841517931 is a prime.

It is an unprimeable number.

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, 9497736170 + ... + 9497736239.

It is an arithmetic number, because the mean of its divisors is an integer number (113972834460).

Almost surely, 2^664841534315 is an apocalyptic number.

664841534315 is a deficient number, since it is larger than the sum of its proper divisors (246941141365).

664841534315 is a wasteful number, since it uses less digits than its factorization.

664841534315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995472421.

The product of its digits is 4147200, while the sum is 50.

The spelling of 664841534315 in words is "six hundred sixty-four billion, eight hundred forty-one million, five hundred thirty-four thousand, three hundred fifteen".