3567166681 has 16 divisors (see below), whose sum is σ = 3922755984. Its totient is φ = 3223839744.

The previous prime is 3567166679. The next prime is 3567166717. The reversal of 3567166681 is 1866617653.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 36905625 + 3530261056 = 6075^2 + 59416^2 .

It is a cyclic number.

It is not a de Polignac number, because 3567166681 - 2¹ = 3567166679 is a prime.

It is a super-2 number, since 2×3567166681² = 25449356260073111522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3567166081) by changing a digit.

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, 116295 + ... + 143731.

It is an arithmetic number, because the mean of its divisors is an integer number (245172249).

Almost surely, 2^3567166681 is an apocalyptic number.

It is an amenable number.

3567166681 is a deficient number, since it is larger than the sum of its proper divisors (355589303).

3567166681 is a wasteful number, since it uses less digits than its factorization.

3567166681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27660.

The product of its digits is 1088640, while the sum is 49.

The square root of 3567166681 is about 59725.7622889821. The cubic root of 3567166681 is about 1527.9452790599.

The spelling of 3567166681 in words is "three billion, five hundred sixty-seven million, one hundred sixty-six thousand, six hundred eighty-one".