63266322617 has 12 divisors (see below), whose sum is σ = 66196455780. Its totient is φ = 60460871328.

The previous prime is 63266322589. The next prime is 63266322629. The reversal of 63266322617 is 71622366236.

It can be written as a sum of positive squares in 2 ways, for example, as 30974592016 + 32291730601 = 175996^2 + 179699^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63266322617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63266322677) 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, 537359 + ... + 644427.

It is an arithmetic number, because the mean of its divisors is an integer number (5516371315).

Almost surely, 2^63266322617 is an apocalyptic number.

It is an amenable number.

63266322617 is a deficient number, since it is larger than the sum of its proper divisors (2930133163).

63266322617 is a wasteful number, since it uses less digits than its factorization.

63266322617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108232 (or 108209 counting only the distinct ones).

The product of its digits is 653184, while the sum is 44.

The spelling of 63266322617 in words is "sixty-three billion, two hundred sixty-six million, three hundred twenty-two thousand, six hundred seventeen".