61847412167920 has 80 divisors (see below), whose sum is σ = 144834809978880. Its totient is φ = 24560125454592.

The previous prime is 61847412167861. The next prime is 61847412167941. The reversal of 61847412167920 is 2976121474816.

61847412167920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 385639269 + ... + 385799611.

It is an arithmetic number, because the mean of its divisors is an integer number (1810435124736).

Almost surely, 2^{61847412167920} is an apocalyptic number.

It is an amenable number.

61847412167920 is an abundant number, since it is smaller than the sum of its proper divisors (82987397810960).

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

61847412167920 is a wasteful number, since it uses less digits than its factorization.

61847412167920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195182 (or 195176 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 61847412167920 in words is "sixty-one trillion, eight hundred forty-seven billion, four hundred twelve million, one hundred sixty-seven thousand, nine hundred twenty".