61723614560 has 24 divisors (see below), whose sum is σ = 145822039776. Its totient is φ = 24689445760.

The previous prime is 61723614521. The next prime is 61723614607. The reversal of 61723614560 is 6541632716.

61723614560 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192886136 + ... + 192886455.

It is an arithmetic number, because the mean of its divisors is an integer number (6075918324).

Almost surely, 2^61723614560 is an apocalyptic number.

It is an amenable number.

61723614560 is an abundant number, since it is smaller than the sum of its proper divisors (84098425216).

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

61723614560 is a wasteful number, since it uses less digits than its factorization.

61723614560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385772606 (or 385772598 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 61723614560 in words is "sixty-one billion, seven hundred twenty-three million, six hundred fourteen thousand, five hundred sixty".