61044444016 has 20 divisors (see below), whose sum is σ = 125230882032. Its totient is φ = 28726797056.

The previous prime is 61044444011. The next prime is 61044444037.

61044444016 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61044444011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112213780 + ... + 112214323.

Almost surely, 2^61044444016 is an apocalyptic number.

It is an amenable number.

61044444016 is an abundant number, since it is smaller than the sum of its proper divisors (64186438016).

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

61044444016 is a wasteful number, since it uses less digits than its factorization.

61044444016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224428128 (or 224428122 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 61044444016 in words is "sixty-one billion, forty-four million, four hundred forty-four thousand, sixteen".