61244566544216 has 32 divisors (see below), whose sum is σ = 125273546730000. Its totient is φ = 27838312736640.

The previous prime is 61244566544171. The next prime is 61244566544221.

61244566544216 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19458266 + ... + 22385558.

Almost surely, 2^{61244566544216} is an apocalyptic number.

It is an amenable number.

61244566544216 is an abundant number, since it is smaller than the sum of its proper divisors (64028980185784).

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

61244566544216 is a wasteful number, since it uses less digits than its factorization.

61244566544216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165059 (or 3165055 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 56.

The spelling of 61244566544216 in words is "sixty-one trillion, two hundred forty-four billion, five hundred sixty-six million, five hundred forty-four thousand, two hundred sixteen".