65884166148856 has 32 divisors (see below), whose sum is σ = 137047186915200. Its totient is φ = 29439766073440.

The previous prime is 65884166148841. The next prime is 65884166148869.

65884166148856 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6344771980 + ... + 6344782363.

It is an arithmetic number, because the mean of its divisors is an integer number (4282724591100).

Almost surely, 2^{65884166148856} is an apocalyptic number.

It is an amenable number.

65884166148856 is an abundant number, since it is smaller than the sum of its proper divisors (71163020766344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65884166148856 is a wasteful number, since it uses less digits than its factorization.

65884166148856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689554419 (or 12689554415 counting only the distinct ones).

The product of its digits is 2123366400, while the sum is 76.

The spelling of 65884166148856 in words is "sixty-five trillion, eight hundred eighty-four billion, one hundred sixty-six million, one hundred forty-eight thousand, eight hundred fifty-six".