65271651136 has 56 divisors (see below), whose sum is σ = 130924523520. Its totient is φ = 32284492800.

The previous prime is 65271651091. The next prime is 65271651161. The reversal of 65271651136 is 63115617256.

It is a junction number, because it is equal to n+sod(n) for n = 65271651092 and 65271651101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486721 + ... + 2512831.

It is an arithmetic number, because the mean of its divisors is an integer number (2337937920).

Almost surely, 2^65271651136 is an apocalyptic number.

It is an amenable number.

65271651136 is an abundant number, since it is smaller than the sum of its proper divisors (65652872384).

65271651136 is a wasteful number, since it uses less digits than its factorization.

65271651136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26543 (or 26533 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The spelling of 65271651136 in words is "sixty-five billion, two hundred seventy-one million, six hundred fifty-one thousand, one hundred thirty-six".