204165454336 has 40 divisors (see below), whose sum is σ = 431928175140. Its totient is φ = 96077856768.

The previous prime is 204165454301. The next prime is 204165454373. The reversal of 204165454336 is 633454561402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199630240000 + 4535214336 = 446800^2 + 67344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204165454292 and 204165454301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11719551 + ... + 11736958.

Almost surely, 2^204165454336 is an apocalyptic number.

It is an amenable number.

204165454336 is an abundant number, since it is smaller than the sum of its proper divisors (227762720804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204165454336 is an equidigital number, since it uses as much as digits as its factorization.

204165454336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456544 (or 23456528 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 204165454336 in words is "two hundred four billion, one hundred sixty-five million, four hundred fifty-four thousand, three hundred thirty-six".