3228860167681 has 4 divisors (see below), whose sum is σ = 3228935614164. Its totient is φ = 3228784721200.

The previous prime is 3228860167633. The next prime is 3228860167691. The reversal of 3228860167681 is 1867610688223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 580377330625 + 2648482837056 = 761825^2 + 1627416^2 .

It is a cyclic number.

It is not a de Polignac number, because 3228860167681 - 2²³ = 3228851779073 is a prime.

It is a super-2 number, since 2×3228860167681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228860167691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37659010 + ... + 37744651.

It is an arithmetic number, because the mean of its divisors is an integer number (807233903541).

Almost surely, 2^{3228860167681} is an apocalyptic number.

It is an amenable number.

3228860167681 is a deficient number, since it is larger than the sum of its proper divisors (75446483).

3228860167681 is an equidigital number, since it uses as much as digits as its factorization.

3228860167681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75446482.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 3228860167681 in words is "three trillion, two hundred twenty-eight billion, eight hundred sixty million, one hundred sixty-seven thousand, six hundred eighty-one".