204455266516 has 12 divisors (see below), whose sum is σ = 370134534420. Its totient is φ = 98702542400.

The previous prime is 204455266501. The next prime is 204455266517. The reversal of 204455266516 is 615662554402.

It can be written as a sum of positive squares in 2 ways, for example, as 73733971600 + 130721294916 = 271540^2 + 361554^2 .

It is a super-2 number, since 2×204455266516² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204455266517) 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, 881272585 + ... + 881272816.

It is an arithmetic number, because the mean of its divisors is an integer number (30844544535).

Almost surely, 2^204455266516 is an apocalyptic number.

It is an amenable number.

204455266516 is a deficient number, since it is larger than the sum of its proper divisors (165679267904).

204455266516 is a wasteful number, since it uses less digits than its factorization.

204455266516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762545434 (or 1762545432 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 204455266516 in words is "two hundred four billion, four hundred fifty-five million, two hundred sixty-six thousand, five hundred sixteen".