2662542663 has 16 divisors (see below), whose sum is σ = 3997719552. Its totient is φ = 1561608000.

The previous prime is 2662542661. The next prime is 2662542667. The reversal of 2662542663 is 3662452662.

It is not a de Polignac number, because 2662542663 - 2¹ = 2662542661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662542661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300318 + ... + 1302363.

It is an arithmetic number, because the mean of its divisors is an integer number (249857472).

Almost surely, 2^2662542663 is an apocalyptic number.

2662542663 is a deficient number, since it is larger than the sum of its proper divisors (1335176889).

2662542663 is a wasteful number, since it uses less digits than its factorization.

2662542663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602726.

The product of its digits is 622080, while the sum is 42.

The square root of 2662542663 is about 51599.8320055405. The cubic root of 2662542663 is about 1386.0073237662.

Subtracting 2662542663 from its reverse (3662452662), we obtain a palindrome (999909999).

The spelling of 2662542663 in words is "two billion, six hundred sixty-two million, five hundred forty-two thousand, six hundred sixty-three".