61423522560616 has 8 divisors (see below), whose sum is σ = 115169104801170. Its totient is φ = 30711761280304.

The previous prime is 61423522560601. The next prime is 61423522560643. The reversal of 61423522560616 is 61606522532416.

It can be written as a sum of positive squares in only one way, i.e., 50312833667716 + 11110688892900 = 7093154^2 + 3333270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 61423522560616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3838970160031 + ... + 3838970160046.

Almost surely, 2^{61423522560616} is an apocalyptic number.

It is an amenable number.

61423522560616 is a deficient number, since it is larger than the sum of its proper divisors (53745582240554).

61423522560616 is a wasteful number, since it uses less digits than its factorization.

61423522560616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677940320083 (or 7677940320079 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 61423522560616 in words is "sixty-one trillion, four hundred twenty-three billion, five hundred twenty-two million, five hundred sixty thousand, six hundred sixteen".