204072011641 has 8 divisors (see below), whose sum is σ = 204258234600. Its totient is φ = 203885875200.

The previous prime is 204072011623. The next prime is 204072011687. The reversal of 204072011641 is 146110270402.

It can be written as a sum of positive squares in 4 ways, for example, as 42008601600 + 162063410041 = 204960^2 + 402571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 204072011641 - 2¹¹ = 204072009593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204072011141) 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, 5271805 + ... + 5310373.

It is an arithmetic number, because the mean of its divisors is an integer number (25532279325).

Almost surely, 2^204072011641 is an apocalyptic number.

It is an amenable number.

204072011641 is a deficient number, since it is larger than the sum of its proper divisors (186222959).

204072011641 is a wasteful number, since it uses less digits than its factorization.

204072011641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43259.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 204072011641 in words is "two hundred four billion, seventy-two million, eleven thousand, six hundred forty-one".