63268015163 has 4 divisors (see below), whose sum is σ = 63920262840. Its totient is φ = 62615767488.

The previous prime is 63268015159. The next prime is 63268015193. The reversal of 63268015163 is 36151086236.

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 63268015163 - 2² = 63268015159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63268015163.

It is not an unprimeable number, because it can be changed into a prime (63268015193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326123693 + ... + 326123886.

It is an arithmetic number, because the mean of its divisors is an integer number (15980065710).

Almost surely, 2^63268015163 is an apocalyptic number.

63268015163 is a deficient number, since it is larger than the sum of its proper divisors (652247677).

63268015163 is an equidigital number, since it uses as much as digits as its factorization.

63268015163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652247676.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 63268015163 in words is "sixty-three billion, two hundred sixty-eight million, fifteen thousand, one hundred sixty-three".