61063610173 has 8 divisors (see below), whose sum is σ = 65016794880. Its totient is φ = 57150559680.

The previous prime is 61063610149. The next prime is 61063610213. The reversal of 61063610173 is 37101636016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61063610173 - 2²¹ = 61061513021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61063610143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10030413 + ... + 10036498.

It is an arithmetic number, because the mean of its divisors is an integer number (8127099360).

Almost surely, 2^61063610173 is an apocalyptic number.

It is an amenable number.

61063610173 is a deficient number, since it is larger than the sum of its proper divisors (3953184707).

61063610173 is a wasteful number, since it uses less digits than its factorization.

61063610173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20067107.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 61063610173 in words is "sixty-one billion, sixty-three million, six hundred ten thousand, one hundred seventy-three".