61474422447416 has 64 divisors (see below), whose sum is σ = 127485026081280. Its totient is φ = 27555949198080.

The previous prime is 61474422447337. The next prime is 61474422447439.

61474422447416 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 15 ways as a sum of consecutive naturals, for example, 41719175 + ... + 43167561.

It is an arithmetic number, because the mean of its divisors is an integer number (1991953532520).

Almost surely, 2^{61474422447416} 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 61474422447416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63742513040640).

61474422447416 is an abundant number, since it is smaller than the sum of its proper divisors (66010603633864).

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

61474422447416 is a wasteful number, since it uses less digits than its factorization.

61474422447416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455084 (or 1455080 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 56.

The spelling of 61474422447416 in words is "sixty-one trillion, four hundred seventy-four billion, four hundred twenty-two million, four hundred forty-seven thousand, four hundred sixteen".