664511500053305 has 16 divisors (see below), whose sum is σ = 797539831430400. Its totient is φ = 531525185642880.

The previous prime is 664511500053293. The next prime is 664511500053343. The reversal of 664511500053305 is 503350005115466.

It is a happy number.

It is not a de Polignac number, because 664511500053305 - 2²⁴ = 664511483276089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843495776 + ... + 844283214.

It is an arithmetic number, because the mean of its divisors is an integer number (49846239464400).

Almost surely, 2^{664511500053305} is an apocalyptic number.

It is an amenable number.

664511500053305 is a deficient number, since it is larger than the sum of its proper divisors (133028331377095).

664511500053305 is a wasteful number, since it uses less digits than its factorization.

664511500053305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813904.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 664511500053305 in words is "six hundred sixty-four trillion, five hundred eleven billion, five hundred million, fifty-three thousand, three hundred five".