56435043666 has 8 divisors (see below), whose sum is σ = 112870087344. Its totient is φ = 18811681220.

The previous prime is 56435043659. The next prime is 56435043671. The reversal of 56435043666 is 66634053465.

56435043666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

56435043666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4702920300 + ... + 4702920311.

It is an arithmetic number, because the mean of its divisors is an integer number (14108760918).

Almost surely, 2^56435043666 is an apocalyptic number.

56435043666 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.

56435043666 is a wasteful number, since it uses less digits than its factorization.

56435043666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405840616.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 56435043666 in words is "fifty-six billion, four hundred thirty-five million, forty-three thousand, six hundred sixty-six".