204467728191552 has 168 divisors, whose sum is σ = 669814442513216. Its totient is φ = 58417575404544.

The previous prime is 204467728191473. The next prime is 204467728191707. The reversal of 204467728191552 is 255191827764402.

204467728191552 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 6 + 7 + 72 + 8 + 1 + 9 + 1 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 204467728191552.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134870583 + ... + 136378185.

Almost surely, 2^{204467728191552} is an apocalyptic number.

It is an amenable number.

204467728191552 is an abundant number, since it is smaller than the sum of its proper divisors (465346714321664).

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

204467728191552 is a wasteful number, since it uses less digits than its factorization.

204467728191552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541265 (or 1541252 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 204467728191552 in words is "two hundred four trillion, four hundred sixty-seven billion, seven hundred twenty-eight million, one hundred ninety-one thousand, five hundred fifty-two".