204316216601 has 4 divisors (see below), whose sum is σ = 233504247552. Its totient is φ = 175128185652.

The previous prime is 204316216547. The next prime is 204316216613. The reversal of 204316216601 is 106612613402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 204316216601 - 2¹⁴ = 204316200217 is a prime.

It is a super-2 number, since 2×204316216601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204316216651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14594015465 + ... + 14594015478.

It is an arithmetic number, because the mean of its divisors is an integer number (58376061888).

Almost surely, 2^204316216601 is an apocalyptic number.

It is an amenable number.

204316216601 is a deficient number, since it is larger than the sum of its proper divisors (29188030951).

204316216601 is an equidigital number, since it uses as much as digits as its factorization.

204316216601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188030950.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 204316216601 in words is "two hundred four billion, three hundred sixteen million, two hundred sixteen thousand, six hundred one".