664577070573563 has 8 divisors (see below), whose sum is σ = 759530216056032. Its totient is φ = 569627316084096.

The previous prime is 664577070573541. The next prime is 664577070573569. The reversal of 664577070573563 is 365375070775466.

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 664577070573563 - 2²⁸ = 664576802138107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664577070573569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847328270 + ... + 848112227.

It is an arithmetic number, because the mean of its divisors is an integer number (94941277007004).

Almost surely, 2^{664577070573563} is an apocalyptic number.

664577070573563 is a deficient number, since it is larger than the sum of its proper divisors (94953145482469).

664577070573563 is a wasteful number, since it uses less digits than its factorization.

664577070573563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695496501.

The product of its (nonzero) digits is 2333772000, while the sum is 71.

The spelling of 664577070573563 in words is "six hundred sixty-four trillion, five hundred seventy-seven billion, seventy million, five hundred seventy-three thousand, five hundred sixty-three".