663164486081583 has 4 divisors (see below), whose sum is σ = 884219314775448. Its totient is φ = 442109657387720.

The previous prime is 663164486081551. The next prime is 663164486081621. The reversal of 663164486081583 is 385180684461366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663164486081583 - 2⁵ = 663164486081551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663164486082583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110527414346928 + ... + 110527414346933.

It is an arithmetic number, because the mean of its divisors is an integer number (221054828693862).

Almost surely, 2^{663164486081583} is an apocalyptic number.

663164486081583 is a deficient number, since it is larger than the sum of its proper divisors (221054828693865).

663164486081583 is a wasteful number, since it uses less digits than its factorization.

663164486081583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221054828693864.

The product of its (nonzero) digits is 477757440, while the sum is 69.

The spelling of 663164486081583 in words is "six hundred sixty-three trillion, one hundred sixty-four billion, four hundred eighty-six million, eighty-one thousand, five hundred eighty-three".