13662616456 has 32 divisors (see below), whose sum is σ = 25735469760. Its totient is φ = 6799868352.

The previous prime is 13662616379. The next prime is 13662616477. The reversal of 13662616456 is 65461626631.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317931 + ... + 4321093.

It is an arithmetic number, because the mean of its divisors is an integer number (804233430).

Almost surely, 2^13662616456 is an apocalyptic number.

It is an amenable number.

13662616456 is a deficient number, since it is larger than the sum of its proper divisors (12072853304).

13662616456 is a wasteful number, since it uses less digits than its factorization.

13662616456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5481 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The spelling of 13662616456 in words is "thirteen billion, six hundred sixty-two million, six hundred sixteen thousand, four hundred fifty-six".