5666842007903 has 4 divisors (see below), whose sum is σ = 5744469980688. Its totient is φ = 5589214035120.

The previous prime is 5666842007873. The next prime is 5666842007909. The reversal of 5666842007903 is 3097002486665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5666842007903 - 2⁶ = 5666842007839 is a prime.

It is a super-2 number, since 2×5666842007903² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666842007909) 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, 38813986283 + ... + 38813986428.

It is an arithmetic number, because the mean of its divisors is an integer number (1436117495172).

Almost surely, 2^{5666842007903} is an apocalyptic number.

5666842007903 is a deficient number, since it is larger than the sum of its proper divisors (77627972785).

5666842007903 is an equidigital number, since it uses as much as digits as its factorization.

5666842007903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77627972784.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 5666842007903 in words is "five trillion, six hundred sixty-six billion, eight hundred forty-two million, seven thousand, nine hundred three".