204645442146416 has 10 divisors (see below), whose sum is σ = 396500544158712. Its totient is φ = 102322721073200.

The previous prime is 204645442146391. The next prime is 204645442146511. The reversal of 204645442146416 is 614641244546402.

It is a happy number.

204645442146416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6395170067060 + ... + 6395170067091.

Almost surely, 2^{204645442146416} is an apocalyptic number.

It is an amenable number.

204645442146416 is a deficient number, since it is larger than the sum of its proper divisors (191855102012296).

204645442146416 is a wasteful number, since it uses less digits than its factorization.

204645442146416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790340134159 (or 12790340134153 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 53.

The spelling of 204645442146416 in words is "two hundred four trillion, six hundred forty-five billion, four hundred forty-two million, one hundred forty-six thousand, four hundred sixteen".