61244422444216 has 64 divisors (see below), whose sum is σ = 126080021076480. Its totient is φ = 27659070362880.

The previous prime is 61244422444213. The next prime is 61244422444223.

61244422444216 is nontrivially palindromic in base 10.

61244422444216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61244422444216³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61244422444211) 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 15 ways as a sum of consecutive naturals, for example, 46062945 + ... + 47373871.

It is an arithmetic number, because the mean of its divisors is an integer number (1970000329320).

Almost surely, 2^{61244422444216} 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 61244422444216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63040010538240).

61244422444216 is an abundant number, since it is smaller than the sum of its proper divisors (64835598632264).

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

61244422444216 is a wasteful number, since it uses less digits than its factorization.

61244422444216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314364 (or 1314360 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 46.

It can be divided in two parts, 6124442 and 2444216, that added together give a palindrome (8568658).

The spelling of 61244422444216 in words is "sixty-one trillion, two hundred forty-four billion, four hundred twenty-two million, four hundred forty-four thousand, two hundred sixteen".