61449944994416 has 20 divisors (see below), whose sum is σ = 129882838284024. Its totient is φ = 27931793179200.

The previous prime is 61449944994391. The next prime is 61449944994523.

61449944994416 is nontrivially palindromic in base 10.

61449944994416 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 3×61449944994416³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 174573707195 + ... + 174573707546.

Almost surely, 2^{61449944994416} is an apocalyptic number.

It is an amenable number.

61449944994416 is an abundant number, since it is smaller than the sum of its proper divisors (68432893289608).

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

61449944994416 is a wasteful number, since it uses less digits than its factorization.

61449944994416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349147414760 (or 349147414754 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 74.

The spelling of 61449944994416 in words is "sixty-one trillion, four hundred forty-nine billion, nine hundred forty-four million, nine hundred ninety-four thousand, four hundred sixteen".