5667557665 has 32 divisors (see below), whose sum is σ = 8978045184. Its totient is φ = 3325194240.

The previous prime is 5667557663. The next prime is 5667557683.

5667557665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5667557665 - 2¹ = 5667557663 is a prime.

It is a super-2 number, since 2×5667557665² = 64242419772200504450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5667557663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426424 + ... + 439513.

It is an arithmetic number, because the mean of its divisors is an integer number (280563912).

Almost surely, 2^5667557665 is an apocalyptic number.

5667557665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5667557665 is a deficient number, since it is larger than the sum of its proper divisors (3310487519).

5667557665 is a wasteful number, since it uses less digits than its factorization.

5667557665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865977.

The product of its digits is 39690000, while the sum is 58.

The square root of 5667557665 is about 75283.1831486953. The cubic root of 5667557665 is about 1782.9205164548.

The spelling of 5667557665 in words is "five billion, six hundred sixty-seven million, five hundred fifty-seven thousand, six hundred sixty-five".