1566606536012 has 12 divisors (see below), whose sum is σ = 3133213072080. Its totient is φ = 671402801136.

The previous prime is 1566606535937. The next prime is 1566606536017. The reversal of 1566606536012 is 2106356066651.

1566606536012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1566606536017) 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, 27975116687 + ... + 27975116742.

It is an arithmetic number, because the mean of its divisors is an integer number (261101089340).

Almost surely, 2^{1566606536012} is an apocalyptic number.

It is an amenable number.

1566606536012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1566606536012 is a wasteful number, since it uses less digits than its factorization.

1566606536012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55950233440 (or 55950233438 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 1566606536012 in words is "one trillion, five hundred sixty-six billion, six hundred six million, five hundred thirty-six thousand, twelve".