5665810783946 has 32 divisors (see below), whose sum is σ = 8993548412928. Its totient is φ = 2671693615360.

The previous prime is 5665810783931. The next prime is 5665810783949. The reversal of 5665810783946 is 6493870185665.

It is not an unprimeable number, because it can be changed into a prime (5665810783949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860581 + ... + 3846216.

It is an arithmetic number, because the mean of its divisors is an integer number (281048387904).

Almost surely, 2^{5665810783946} is an apocalyptic number.

5665810783946 is a deficient number, since it is larger than the sum of its proper divisors (3327737628982).

5665810783946 is a wasteful number, since it uses less digits than its factorization.

5665810783946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707126.

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 5665810783946 in words is "five trillion, six hundred sixty-five billion, eight hundred ten million, seven hundred eighty-three thousand, nine hundred forty-six".