2620631163 has 16 divisors (see below), whose sum is σ = 3594689280. Its totient is φ = 1697470944.

The previous prime is 2620631147. The next prime is 2620631171. The reversal of 2620631163 is 3611360262.

It is not a de Polignac number, because 2620631163 - 2⁴ = 2620631147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2620631163.

It is not an unprimeable number, because it can be changed into a prime (2620631963) 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 15 ways as a sum of consecutive naturals, for example, 63633 + ... + 96386.

It is an arithmetic number, because the mean of its divisors is an integer number (224668080).

Almost surely, 2^2620631163 is an apocalyptic number.

2620631163 is a deficient number, since it is larger than the sum of its proper divisors (974058117).

2620631163 is a wasteful number, since it uses less digits than its factorization.

2620631163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160178.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2620631163 is about 51192.1005917905. The cubic root of 2620631163 is about 1378.6963749810.

The spelling of 2620631163 in words is "two billion, six hundred twenty million, six hundred thirty-one thousand, one hundred sixty-three".