2639168063 has 8 divisors (see below), whose sum is σ = 3016542240. Its totient is φ = 2261881440.

The previous prime is 2639168053. The next prime is 2639168069. The reversal of 2639168063 is 3608619362.

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

It is not a de Polignac number, because 2639168063 - 2⁴ = 2639168047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639168069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66533 + ... + 98513.

It is an arithmetic number, because the mean of its divisors is an integer number (377067780).

Almost surely, 2^2639168063 is an apocalyptic number.

2639168063 is a deficient number, since it is larger than the sum of its proper divisors (377374177).

2639168063 is a wasteful number, since it uses less digits than its factorization.

2639168063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43777.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 2639168063 is about 51372.8339008079. The cubic root of 2639168063 is about 1381.9394530535.

The spelling of 2639168063 in words is "two billion, six hundred thirty-nine million, one hundred sixty-eight thousand, sixty-three".