3111556346616 has 32 divisors (see below), whose sum is σ = 7779010170960. Its totient is φ = 1037169541632.

The previous prime is 3111556346611. The next prime is 3111556346669. The reversal of 3111556346616 is 6166436551113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111556346611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659376 + ... + 2580288.

Almost surely, 2^{3111556346616} is an apocalyptic number.

It is an amenable number.

3111556346616 is an abundant number, since it is smaller than the sum of its proper divisors (4667453824344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111556346616 is a wasteful number, since it uses less digits than its factorization.

3111556346616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988415 (or 1988411 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The spelling of 3111556346616 in words is "three trillion, one hundred eleven billion, five hundred fifty-six million, three hundred forty-six thousand, six hundred sixteen".