495566535663 has 12 divisors (see below), whose sum is σ = 722905640808. Its totient is φ = 327106623600.

The previous prime is 495566535589. The next prime is 495566535697. The reversal of 495566535663 is 366535665594.

495566535663 is a `hidden beast` number, since 4 + 9 + 5 + 5 + 6 + 65 + 3 + 566 + 3 = 666.

It is not a de Polignac number, because 495566535663 - 2¹⁸ = 495566273519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495566535663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495566535263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272587945 + ... + 272589762.

It is an arithmetic number, because the mean of its divisors is an integer number (60242136734).

Almost surely, 2^495566535663 is an apocalyptic number.

495566535663 is a deficient number, since it is larger than the sum of its proper divisors (227339105145).

495566535663 is a wasteful number, since it uses less digits than its factorization.

495566535663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545177814 (or 545177811 counting only the distinct ones).

The product of its digits is 262440000, while the sum is 63.

The spelling of 495566535663 in words is "four hundred ninety-five billion, five hundred sixty-six million, five hundred thirty-five thousand, six hundred sixty-three".