204104164615 has 16 divisors (see below), whose sum is σ = 265662986400. Its totient is φ = 149638730112.

The previous prime is 204104164591. The next prime is 204104164651. The reversal of 204104164615 is 516461401402.

204104164615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204104164615 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 11286160 + ... + 11304229.

It is an arithmetic number, because the mean of its divisors is an integer number (16603936650).

Almost surely, 2^204104164615 is an apocalyptic number.

204104164615 is a deficient number, since it is larger than the sum of its proper divisors (61558821785).

204104164615 is a wasteful number, since it uses less digits than its factorization.

204104164615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22590546.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 204104164615 in words is "two hundred four billion, one hundred four million, one hundred sixty-four thousand, six hundred fifteen".