1241565566616 has 96 divisors (see below), whose sum is σ = 3512594592000. Its totient is φ = 395430247872.

The previous prime is 1241565566599. The next prime is 1241565566621. The reversal of 1241565566616 is 6166655651421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113955 + ... + 1929773.

It is an arithmetic number, because the mean of its divisors is an integer number (36589527000).

Almost surely, 2^{1241565566616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241565566616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756297296000).

1241565566616 is an abundant number, since it is smaller than the sum of its proper divisors (2271029025384).

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

1241565566616 is a wasteful number, since it uses less digits than its factorization.

1241565566616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816773 (or 816766 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 1241565566616 in words is "one trillion, two hundred forty-one billion, five hundred sixty-five million, five hundred sixty-six thousand, six hundred sixteen".