205001506506066 has 16 divisors (see below), whose sum is σ = 410731259933664. Its totient is φ = 68212461015104.

The previous prime is 205001506506059. The next prime is 205001506506103. The reversal of 205001506506066 is 660605605100502.

205001506506066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30343618071 + ... + 30343624826.

It is an arithmetic number, because the mean of its divisors is an integer number (25670703745854).

Almost surely, 2^{205001506506066} is an apocalyptic number.

205001506506066 is an abundant number, since it is smaller than the sum of its proper divisors (205729753427598).

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

205001506506066 is a wasteful number, since it uses less digits than its factorization.

205001506506066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60687243465.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 205001506506066 in words is "two hundred five trillion, one billion, five hundred six million, five hundred six thousand, sixty-six".