63128348163 has 24 divisors (see below), whose sum is σ = 94574411568. Its totient is φ = 42080321664.

The previous prime is 63128348159. The next prime is 63128348167. The reversal of 63128348163 is 36184382136.

63128348163 is a `hidden beast` number, since 6 + 31 + 2 + 83 + 481 + 63 = 666.

63128348163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63128348159) and next prime (63128348167).

It is not a de Polignac number, because 63128348163 - 2² = 63128348159 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63128348167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3566431 + ... + 3584087.

It is an arithmetic number, because the mean of its divisors is an integer number (3940600482).

Almost surely, 2^63128348163 is an apocalyptic number.

63128348163 is a deficient number, since it is larger than the sum of its proper divisors (31446063405).

63128348163 is a wasteful number, since it uses less digits than its factorization.

63128348163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385 (or 32373 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 63128348163 in words is "sixty-three billion, one hundred twenty-eight million, three hundred forty-eight thousand, one hundred sixty-three".