663742054600 has 96 divisors (see below), whose sum is σ = 1649571920640. Its totient is φ = 247759424000.

The previous prime is 663742054567. The next prime is 663742054639. The reversal of 663742054600 is 6450247366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1571056 + ... + 1948255.

It is an arithmetic number, because the mean of its divisors is an integer number (17183040840).

Almost surely, 2^663742054600 is an apocalyptic number.

It is an amenable number.

663742054600 is an abundant number, since it is smaller than the sum of its proper divisors (985829866040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663742054600 is a wasteful number, since it uses less digits than its factorization.

663742054600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519391 (or 3519382 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 663742054600 in words is "six hundred sixty-three billion, seven hundred forty-two million, fifty-four thousand, six hundred".