61843700734816 has 96 divisors (see below), whose sum is σ = 163474957271808. Its totient is φ = 22241490762240.

The previous prime is 61843700734771. The next prime is 61843700734841.

61843700734816 is nontrivially palindromic in base 10.

61843700734816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 965310450 + ... + 965374513.

It is an arithmetic number, because the mean of its divisors is an integer number (1702864138248).

Almost surely, 2^{61843700734816} is an apocalyptic number.

It is an amenable number.

61843700734816 is an abundant number, since it is smaller than the sum of its proper divisors (101631256536992).

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

61843700734816 is a wasteful number, since it uses less digits than its factorization.

61843700734816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930685004 (or 1930684996 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 61843700734816 in words is "sixty-one trillion, eight hundred forty-three billion, seven hundred million, seven hundred thirty-four thousand, eight hundred sixteen".