61600551408601 has 4 divisors (see below), whose sum is σ = 61606368828900. Its totient is φ = 61594733988304.

The previous prime is 61600551408547. The next prime is 61600551408661. The reversal of 61600551408601 is 10680415500616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27891612125001 + 33708939283600 = 5281251^2 + 5805940^2 .

It is a cyclic number.

It is not a de Polignac number, because 61600551408601 - 2⁹ = 61600551408089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61600551408661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908694266 + ... + 2908715443.

It is an arithmetic number, because the mean of its divisors is an integer number (15401592207225).

Almost surely, 2^{61600551408601} is an apocalyptic number.

It is an amenable number.

61600551408601 is a deficient number, since it is larger than the sum of its proper divisors (5817420299).

61600551408601 is a wasteful number, since it uses less digits than its factorization.

61600551408601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817420298.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 61600551408601 in words is "sixty-one trillion, six hundred billion, five hundred fifty-one million, four hundred eight thousand, six hundred one".