7481664885488 has 20 divisors (see below), whose sum is σ = 14495792418240. Its totient is φ = 3740815229184.

The previous prime is 7481664885469. The next prime is 7481664885491. The reversal of 7481664885488 is 8845884661847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971256 + ... + 4877672.

It is an arithmetic number, because the mean of its divisors is an integer number (724789620912).

Almost surely, 2^{7481664885488} is an apocalyptic number.

It is an amenable number.

7481664885488 is a deficient number, since it is larger than the sum of its proper divisors (7014127532752).

7481664885488 is a wasteful number, since it uses less digits than its factorization.

7481664885488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151704 (or 2151698 counting only the distinct ones).

The product of its digits is 2642411520, while the sum is 77.

The spelling of 7481664885488 in words is "seven trillion, four hundred eighty-one billion, six hundred sixty-four million, eight hundred eighty-five thousand, four hundred eighty-eight".