5666967142 has 4 divisors (see below), whose sum is σ = 8500450716. Its totient is φ = 2833483570.

The previous prime is 5666967139. The next prime is 5666967149. The reversal of 5666967142 is 2417696665.

It is a happy number.

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

It is a super-2 number, since 2×5666967142² = 64229033177015296328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5666967142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666967149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416741784 + ... + 1416741787.

It is an arithmetic number, because the mean of its divisors is an integer number (2125112679).

Almost surely, 2^5666967142 is an apocalyptic number.

5666967142 is a deficient number, since it is larger than the sum of its proper divisors (2833483574).

5666967142 is a wasteful number, since it uses less digits than its factorization.

5666967142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833483573.

The product of its digits is 3265920, while the sum is 52.

The square root of 5666967142 is about 75279.2610351616. The cubic root of 5666967142 is about 1782.8585913598.

The spelling of 5666967142 in words is "five billion, six hundred sixty-six million, nine hundred sixty-seven thousand, one hundred forty-two".