63382167681 has 48 divisors (see below), whose sum is σ = 100259263104. Its totient is φ = 34888508928.

The previous prime is 63382167679. The next prime is 63382167691. The reversal of 63382167681 is 18676128336.

It is not a de Polignac number, because 63382167681 - 2¹ = 63382167679 is a prime.

It is a super-2 number, since 2×63382167681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63382167631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8067151 + ... + 8075003.

It is an arithmetic number, because the mean of its divisors is an integer number (2088734648).

Almost surely, 2^63382167681 is an apocalyptic number.

It is an amenable number.

63382167681 is a deficient number, since it is larger than the sum of its proper divisors (36877095423).

63382167681 is a wasteful number, since it uses less digits than its factorization.

63382167681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8349 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 63382167681 in words is "sixty-three billion, three hundred eighty-two million, one hundred sixty-seven thousand, six hundred eighty-one".