8170513592072 has 32 divisors (see below), whose sum is σ = 16498348536600. Its totient is φ = 3770961452544.

The previous prime is 8170513592057. The next prime is 8170513592077. The reversal of 8170513592072 is 2702953150718.

It can be written as a sum of positive squares in 4 ways, for example, as 5924969383876 + 2245544208196 = 2434126^2 + 1498514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8170513592072.

It is not an unprimeable number, because it can be changed into a prime (8170513592077) by changing a digit.

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, 9303554 + ... + 10143822.

Almost surely, 2^{8170513592072} is an apocalyptic number.

It is an amenable number.

8170513592072 is an abundant number, since it is smaller than the sum of its proper divisors (8327834944528).

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

8170513592072 is a wasteful number, since it uses less digits than its factorization.

8170513592072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933785 (or 933781 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 8170513592072 in words is "eight trillion, one hundred seventy billion, five hundred thirteen million, five hundred ninety-two thousand, seventy-two".