5666109031 has 4 divisors (see below), whose sum is σ = 6181209864. Its totient is φ = 5151008200.

The previous prime is 5666109023. The next prime is 5666109077. The reversal of 5666109031 is 1309016665.

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 5666109031 - 2³ = 5666109023 is a prime.

It is a super-2 number, since 2×5666109031² = 64209583102359517922, which 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 (5666109331) 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, 257550400 + ... + 257550421.

It is an arithmetic number, because the mean of its divisors is an integer number (1545302466).

Almost surely, 2^5666109031 is an apocalyptic number.

5666109031 is a deficient number, since it is larger than the sum of its proper divisors (515100833).

5666109031 is a wasteful number, since it uses less digits than its factorization.

5666109031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515100832.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 5666109031 is about 75273.5613014291. The cubic root of 5666109031 is about 1782.7685980261.

The spelling of 5666109031 in words is "five billion, six hundred sixty-six million, one hundred nine thousand, thirty-one".