13163535507604 has 6 divisors (see below), whose sum is σ = 23036187138314. Its totient is φ = 6581767753800.

The previous prime is 13163535507593. The next prime is 13163535507637. The reversal of 13163535507604 is 40670553536131.

It can be written as a sum of positive squares in only one way, i.e., 11473530307600 + 1690005200004 = 3387260^2 + 1300002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645441938447 + ... + 1645441938454.

Almost surely, 2^{13163535507604} is an apocalyptic number.

It is an amenable number.

13163535507604 is a deficient number, since it is larger than the sum of its proper divisors (9872651630710).

13163535507604 is a wasteful number, since it uses less digits than its factorization.

13163535507604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290883876905 (or 3290883876903 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 13163535507604 in words is "thirteen trillion, one hundred sixty-three billion, five hundred thirty-five million, five hundred seven thousand, six hundred four".