61006170116671 has 4 divisors (see below), whose sum is σ = 65698952433352. Its totient is φ = 56313387799992.

The previous prime is 61006170116599. The next prime is 61006170116681. The reversal of 61006170116671 is 17661107160016.

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

It is a cyclic number.

It is not a de Polignac number, because 61006170116671 - 2¹¹ = 61006170114623 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 (61006170116681) 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, 2346391158321 + ... + 2346391158346.

It is an arithmetic number, because the mean of its divisors is an integer number (16424738108338).

Almost surely, 2^{61006170116671} is an apocalyptic number.

61006170116671 is a deficient number, since it is larger than the sum of its proper divisors (4692782316681).

61006170116671 is a wasteful number, since it uses less digits than its factorization.

61006170116671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692782316680.

The product of its (nonzero) digits is 63504, while the sum is 43.

Adding to 61006170116671 its reverse (17661107160016), we get a palindrome (78667277276687).

The spelling of 61006170116671 in words is "sixty-one trillion, six billion, one hundred seventy million, one hundred sixteen thousand, six hundred seventy-one".