204116266642 has 8 divisors (see below), whose sum is σ = 311951275596. Its totient is φ = 100132508112.

The previous prime is 204116266639. The next prime is 204116266643. The reversal of 204116266642 is 246662611402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 195221701921 + 8894564721 = 441839^2 + 94311^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 204116266595 and 204116266604.

It is not an unprimeable number, because it can be changed into a prime (204116266643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962812473 + ... + 962812684.

Almost surely, 2^204116266642 is an apocalyptic number.

204116266642 is a deficient number, since it is larger than the sum of its proper divisors (107835008954).

204116266642 is a wasteful number, since it uses less digits than its factorization.

204116266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925625212.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 204116266642 in words is "two hundred four billion, one hundred sixteen million, two hundred sixty-six thousand, six hundred forty-two".