659477663 has 16 divisors (see below), whose sum is σ = 737248512. Its totient is φ = 585792000.

The previous prime is 659477641. The next prime is 659477671. The reversal of 659477663 is 366774956.

It is a cyclic number.

It is not a de Polignac number, because 659477663 - 2¹⁰ = 659476639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659477263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68423 + ... + 77463.

It is an arithmetic number, because the mean of its divisors is an integer number (46078032).

Almost surely, 2^659477663 is an apocalyptic number.

659477663 is a deficient number, since it is larger than the sum of its proper divisors (77770849).

659477663 is a wasteful number, since it uses less digits than its factorization.

659477663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266.

The product of its digits is 5715360, while the sum is 53.

The square root of 659477663 is about 25680.2971750718. The cubic root of 659477663 is about 870.4290229984.

The spelling of 659477663 in words is "six hundred fifty-nine million, four hundred seventy-seven thousand, six hundred sixty-three".