3061081668621 has 8 divisors (see below), whose sum is σ = 4081463845920. Its totient is φ = 2040710301872.

The previous prime is 3061081668599. The next prime is 3061081668641. The reversal of 3061081668621 is 1268661801603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3061081668621 - 2⁷ = 3061081668493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061081668641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017095 + ... + 3192308.

It is an arithmetic number, because the mean of its divisors is an integer number (510182980740).

Almost surely, 2^{3061081668621} is an apocalyptic number.

It is an amenable number.

3061081668621 is a deficient number, since it is larger than the sum of its proper divisors (1020382177299).

3061081668621 is a wasteful number, since it uses less digits than its factorization.

3061081668621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405275.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 3061081668621 in words is "three trillion, sixty-one billion, eighty-one million, six hundred sixty-eight thousand, six hundred twenty-one".