13557497516 has 6 divisors (see below), whose sum is σ = 23725620660. Its totient is φ = 6778748756.

The previous prime is 13557497497. The next prime is 13557497521. The reversal of 13557497516 is 61579475531.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1694687186 + ... + 1694687193.

It is an arithmetic number, because the mean of its divisors is an integer number (3954270110).

Almost surely, 2^13557497516 is an apocalyptic number.

It is an amenable number.

13557497516 is a deficient number, since it is larger than the sum of its proper divisors (10168123144).

13557497516 is a wasteful number, since it uses less digits than its factorization.

13557497516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389374383 (or 3389374381 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 53.

The spelling of 13557497516 in words is "thirteen billion, five hundred fifty-seven million, four hundred ninety-seven thousand, five hundred sixteen".