204098137663 has 8 divisors (see below), whose sum is σ = 233276320928. Its totient is φ = 174925281024.

The previous prime is 204098137619. The next prime is 204098137697. The reversal of 204098137663 is 366731890402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204098137663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204098137163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249206 + ... + 1403107.

It is an arithmetic number, because the mean of its divisors is an integer number (29159540116).

Almost surely, 2^204098137663 is an apocalyptic number.

204098137663 is a deficient number, since it is larger than the sum of its proper divisors (29178183265).

204098137663 is a wasteful number, since it uses less digits than its factorization.

204098137663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663313.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 204098137663 in words is "two hundred four billion, ninety-eight million, one hundred thirty-seven thousand, six hundred sixty-three".