61345666997324 has 12 divisors (see below), whose sum is σ = 107357114287248. Its totient is φ = 30672205772400.

The previous prime is 61345666997323. The next prime is 61345666997347. The reversal of 61345666997324 is 42379966654316.

61345666997324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61345666997323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 156711647 + ... + 157102614.

It is an arithmetic number, because the mean of its divisors is an integer number (8946426190604).

Almost surely, 2^{61345666997324} is an apocalyptic number.

It is an amenable number.

61345666997324 is a deficient number, since it is larger than the sum of its proper divisors (46011447289924).

61345666997324 is a wasteful number, since it uses less digits than its factorization.

61345666997324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313863136 (or 313863134 counting only the distinct ones).

The product of its digits is 1058158080, while the sum is 71.

The spelling of 61345666997324 in words is "sixty-one trillion, three hundred forty-five billion, six hundred sixty-six million, nine hundred ninety-seven thousand, three hundred twenty-four".