56506061160666 has 48 divisors (see below), whose sum is σ = 131848022525856. Its totient is φ = 17386408293408.

The previous prime is 56506061160599. The next prime is 56506061160853. The reversal of 56506061160666 is 66606116060565.

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, 94650981 + ... + 95246103.

It is an arithmetic number, because the mean of its divisors is an integer number (2746833802622).

Almost surely, 2^{56506061160666} is an apocalyptic number.

56506061160666 is an abundant number, since it is smaller than the sum of its proper divisors (75341961365190).

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

56506061160666 is a wasteful number, since it uses less digits than its factorization.

56506061160666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000907 (or 1000904 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 56506061160666 in words is "fifty-six trillion, five hundred six billion, sixty-one million, one hundred sixty thousand, six hundred sixty-six".