61284622648216 has 96 divisors (see below), whose sum is σ = 134282792256480. Its totient is φ = 26142742545920.

The previous prime is 61284622648181. The next prime is 61284622648259.

61284622648216 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 23 ways as a sum of consecutive naturals, for example, 24788245 + ... + 27148228.

It is an arithmetic number, because the mean of its divisors is an integer number (1398779086005).

Almost surely, 2^{61284622648216} is an apocalyptic number.

It is an amenable number.

61284622648216 is an abundant number, since it is smaller than the sum of its proper divisors (72998169608264).

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

61284622648216 is a wasteful number, since it uses less digits than its factorization.

61284622648216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51936577 (or 51936562 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 58.

The spelling of 61284622648216 in words is "sixty-one trillion, two hundred eighty-four billion, six hundred twenty-two million, six hundred forty-eight thousand, two hundred sixteen".