204164107761 has 8 divisors (see below), whose sum is σ = 272473462720. Its totient is φ = 135982078992.

The previous prime is 204164107757. The next prime is 204164107793. The reversal of 204164107761 is 167701461402.

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

It is not a de Polignac number, because 204164107761 - 2² = 204164107757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204164107261) 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, 31827805 + ... + 31834218.

It is an arithmetic number, because the mean of its divisors is an integer number (34059182840).

Almost surely, 2^204164107761 is an apocalyptic number.

It is an amenable number.

204164107761 is a deficient number, since it is larger than the sum of its proper divisors (68309354959).

204164107761 is a wasteful number, since it uses less digits than its factorization.

204164107761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63663095.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 204164107761 in words is "two hundred four billion, one hundred sixty-four million, one hundred seven thousand, seven hundred sixty-one".