204121266856752 has 160 divisors (see below), whose sum is σ = 661942781521920. Its totient is φ = 52848657480960.

The previous prime is 204121266856627. The next prime is 204121266856777. The reversal of 204121266856752 is 257658662121402.

204121266856752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 204121266856692 and 204121266856701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694937574 + ... + 695231237.

It is an arithmetic number, because the mean of its divisors is an integer number (4137142384512).

Almost surely, 2^{204121266856752} is an apocalyptic number.

It is an amenable number.

204121266856752 is an abundant number, since it is smaller than the sum of its proper divisors (457821514665168).

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

204121266856752 is a wasteful number, since it uses less digits than its factorization.

204121266856752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390168871 (or 1390168865 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 204121266856752 in words is "two hundred four trillion, one hundred twenty-one billion, two hundred sixty-six million, eight hundred fifty-six thousand, seven hundred fifty-two".