63416261563 has 8 divisors (see below), whose sum is σ = 66756531920. Its totient is φ = 60076248480.

The previous prime is 63416261537. The next prime is 63416261611. The reversal of 63416261563 is 36516261436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63416261563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63416261063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638881 + ... + 731437.

It is an arithmetic number, because the mean of its divisors is an integer number (8344566490).

Almost surely, 2^63416261563 is an apocalyptic number.

63416261563 is a deficient number, since it is larger than the sum of its proper divisors (3340270357).

63416261563 is a wasteful number, since it uses less digits than its factorization.

63416261563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128637.

The product of its digits is 466560, while the sum is 43.

The spelling of 63416261563 in words is "sixty-three billion, four hundred sixteen million, two hundred sixty-one thousand, five hundred sixty-three".