65836831172 has 12 divisors (see below), whose sum is σ = 131673662400. Its totient is φ = 28215784776.

The previous prime is 65836831147. The next prime is 65836831187. The reversal of 65836831172 is 27113863856.

65836831172 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65836831172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175657672 + ... + 1175657727.

It is an arithmetic number, because the mean of its divisors is an integer number (10972805200).

Almost surely, 2^65836831172 is an apocalyptic number.

It is an amenable number.

65836831172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65836831172 is a wasteful number, since it uses less digits than its factorization.

65836831172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351315410 (or 2351315408 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 65836831172 in words is "sixty-five billion, eight hundred thirty-six million, eight hundred thirty-one thousand, one hundred seventy-two".