663517534052 has 24 divisors (see below), whose sum is σ = 1163101329600. Its totient is φ = 331203017376.

The previous prime is 663517534037. The next prime is 663517534087. The reversal of 663517534052 is 250435715366.

It is a junction number, because it is equal to n+sod(n) for n = 663517533988 and 663517534006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24327599 + ... + 24354857.

It is an arithmetic number, because the mean of its divisors is an integer number (48462555400).

Almost surely, 2^663517534052 is an apocalyptic number.

It is an amenable number.

663517534052 is a deficient number, since it is larger than the sum of its proper divisors (499583795548).

663517534052 is a wasteful number, since it uses less digits than its factorization.

663517534052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37235 (or 37233 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 663517534052 in words is "six hundred sixty-three billion, five hundred seventeen million, five hundred thirty-four thousand, fifty-two".