65660481171 has 16 divisors (see below), whose sum is σ = 97778809120. Its totient is φ = 43546844160.

The previous prime is 65660481101. The next prime is 65660481203. The reversal of 65660481171 is 17118406656.

65660481171 is a `hidden beast` number, since 6 + 566 + 0 + 4 + 8 + 11 + 71 = 666.

It is not a de Polignac number, because 65660481171 - 2¹⁰ = 65660480147 is a prime.

It is a super-2 number, since 2×65660481171² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65660481101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6294970 + ... + 6305391.

It is an arithmetic number, because the mean of its divisors is an integer number (6111175570).

Almost surely, 2^65660481171 is an apocalyptic number.

65660481171 is a deficient number, since it is larger than the sum of its proper divisors (32118327949).

65660481171 is a wasteful number, since it uses less digits than its factorization.

65660481171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600563 (or 12600557 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 65660481171 in words is "sixty-five billion, six hundred sixty million, four hundred eighty-one thousand, one hundred seventy-one".