5667447665 has 16 divisors (see below), whose sum is σ = 7544957760. Its totient is φ = 4051917120.

The previous prime is 5667447659. The next prime is 5667447677.

5667447665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5667447665 - 2¹² = 5667443569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5667447665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870014 + ... + 876503.

It is an arithmetic number, because the mean of its divisors is an integer number (471559860).

Almost surely, 2^5667447665 is an apocalyptic number.

5667447665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5667447665 is a deficient number, since it is larger than the sum of its proper divisors (1877510095).

5667447665 is a wasteful number, since it uses less digits than its factorization.

5667447665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746592.

The product of its digits is 25401600, while the sum is 56.

The square root of 5667447665 is about 75282.4525703035. The cubic root of 5667447665 is about 1782.9089816493.

The spelling of 5667447665 in words is "five billion, six hundred sixty-seven million, four hundred forty-seven thousand, six hundred sixty-five".