663531043004 has 6 divisors (see below), whose sum is σ = 1161179325264. Its totient is φ = 331765521500.

The previous prime is 663531043003. The next prime is 663531043013. The reversal of 663531043004 is 400340135366.

663531043004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663531043003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82941380372 + ... + 82941380379.

It is an arithmetic number, because the mean of its divisors is an integer number (193529887544).

Almost surely, 2^663531043004 is an apocalyptic number.

It is an amenable number.

663531043004 is a deficient number, since it is larger than the sum of its proper divisors (497648282260).

663531043004 is a wasteful number, since it uses less digits than its factorization.

663531043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165882760755 (or 165882760753 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 663531043004 in words is "six hundred sixty-three billion, five hundred thirty-one million, forty-three thousand, four".