6642662703603 has 16 divisors (see below), whose sum is σ = 9196102617600. Its totient is φ = 4259959270560.

The previous prime is 6642662703583. The next prime is 6642662703617. The reversal of 6642662703603 is 3063072662466.

It is not a de Polignac number, because 6642662703603 - 2²⁹ = 6642125832691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6642642703603) 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, 140848093 + ... + 140895246.

It is an arithmetic number, because the mean of its divisors is an integer number (574756413600).

Almost surely, 2^{6642662703603} is an apocalyptic number.

6642662703603 is a deficient number, since it is larger than the sum of its proper divisors (2553439913997).

6642662703603 is a wasteful number, since it uses less digits than its factorization.

6642662703603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281743642.

The product of its (nonzero) digits is 7838208, while the sum is 51.

The spelling of 6642662703603 in words is "six trillion, six hundred forty-two billion, six hundred sixty-two million, seven hundred three thousand, six hundred three".