13663465404506 has 16 divisors (see below), whose sum is σ = 20503714189248. Its totient is φ = 6828894300000.

The previous prime is 13663465404493. The next prime is 13663465404517. The reversal of 13663465404506 is 60540456436631.

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, 110662406 + ... + 110785806.

It is an arithmetic number, because the mean of its divisors is an integer number (1281482136828).

Almost surely, 2^{13663465404506} is an apocalyptic number.

13663465404506 is a deficient number, since it is larger than the sum of its proper divisors (6840248784742).

13663465404506 is a wasteful number, since it uses less digits than its factorization.

13663465404506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145957.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 13663465404506 in words is "thirteen trillion, six hundred sixty-three billion, four hundred sixty-five million, four hundred four thousand, five hundred six".