5667667665 has 16 divisors (see below), whose sum is σ = 9892656576. Its totient is φ = 2747960000.

The previous prime is 5667667657. The next prime is 5667667667.

5667667665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5667667665 - 2³ = 5667667657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5667667599 and 5667667608.

It is not an unprimeable number, because it can be changed into a prime (5667667667) 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, 17174586 + ... + 17174915.

It is an arithmetic number, because the mean of its divisors is an integer number (618291036).

Almost surely, 2^5667667665 is an apocalyptic number.

5667667665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5667667665 is a deficient number, since it is larger than the sum of its proper divisors (4224988911).

5667667665 is a wasteful number, since it uses less digits than its factorization.

5667667665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34349520.

The product of its digits is 57153600, while the sum is 60.

The square root of 5667667665 is about 75283.9137199973. The cubic root of 5667667665 is about 1782.9320511110.

The spelling of 5667667665 in words is "five billion, six hundred sixty-seven million, six hundred sixty-seven thousand, six hundred sixty-five".