83131233517648 has 40 divisors (see below), whose sum is σ = 161397335088000. Its totient is φ = 41480316384000.

The previous prime is 83131233517531. The next prime is 83131233517691. The reversal of 83131233517648 is 84671533213138.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172589148 + ... + 173070148.

It is an arithmetic number, because the mean of its divisors is an integer number (4034933377200).

Almost surely, 2^{83131233517648} is an apocalyptic number.

It is an amenable number.

83131233517648 is a deficient number, since it is larger than the sum of its proper divisors (78266101570352).

83131233517648 is a wasteful number, since it uses less digits than its factorization.

83131233517648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503155 (or 503149 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 83131233517648 in words is "eighty-three trillion, one hundred thirty-one billion, two hundred thirty-three million, five hundred seventeen thousand, six hundred forty-eight".