204352312237816 has 16 divisors (see below), whose sum is σ = 383581178857440. Its totient is φ = 102063997875840.

The previous prime is 204352312237727. The next prime is 204352312237817. The reversal of 204352312237816 is 618732213253402.

It is a self number, because there is not a number n which added to its sum of digits gives 204352312237816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204352312237817) 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, 14019772641 + ... + 14019787216.

It is an arithmetic number, because the mean of its divisors is an integer number (23973823678590).

Almost surely, 2^{204352312237816} is an apocalyptic number.

It is an amenable number.

204352312237816 is a deficient number, since it is larger than the sum of its proper divisors (179228866619624).

204352312237816 is a wasteful number, since it uses less digits than its factorization.

204352312237816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039560774 (or 28039560770 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 204352312237816 in words is "two hundred four trillion, three hundred fifty-two billion, three hundred twelve million, two hundred thirty-seven thousand, eight hundred sixteen".