12816349006554 has 24 divisors (see below), whose sum is σ = 27770769093600. Its totient is φ = 4271806656648.

The previous prime is 12816349006471. The next prime is 12816349006577. The reversal of 12816349006554 is 45560094361821.

12816349006554 is a `hidden beast` number, since 1 + 2 + 81 + 6 + 3 + 4 + 9 + 0 + 0 + 6 + 554 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12816349006554.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25551292 + ... + 26048055.

It is an arithmetic number, because the mean of its divisors is an integer number (1157115378900).

Almost surely, 2^{12816349006554} is an apocalyptic number.

12816349006554 is an abundant number, since it is smaller than the sum of its proper divisors (14954420087046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12816349006554 is a wasteful number, since it uses less digits than its factorization.

12816349006554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51613154 (or 51613151 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 12816349006554 in words is "twelve trillion, eight hundred sixteen billion, three hundred forty-nine million, six thousand, five hundred fifty-four".