3681105667 has 4 divisors (see below), whose sum is σ = 3681228096. Its totient is φ = 3680983240.

The previous prime is 3681105661. The next prime is 3681105697. The reversal of 3681105667 is 7665011863.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3681105667 - 2⁷ = 3681105539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681105661) 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 3 ways as a sum of consecutive naturals, for example, 18417 + ... + 87757.

It is an arithmetic number, because the mean of its divisors is an integer number (920307024).

Almost surely, 2^3681105667 is an apocalyptic number.

3681105667 is a deficient number, since it is larger than the sum of its proper divisors (122429).

3681105667 is an equidigital number, since it uses as much as digits as its factorization.

3681105667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122428.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3681105667 is about 60672.1160583674. The cubic root of 3681105667 is about 1544.0431323635.

The spelling of 3681105667 in words is "three billion, six hundred eighty-one million, one hundred five thousand, six hundred sixty-seven".