170861711040 has 140 divisors (see below), whose sum is σ = 607785257376. Its totient is φ = 45563116032.

The previous prime is 170861711039. The next prime is 170861711063. The reversal of 170861711040 is 40117168071.

170861711040 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 170861710986 and 170861711004.

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 19 ways as a sum of consecutive naturals, for example, 3270024 + ... + 3321863.

Almost surely, 2^170861711040 is an apocalyptic number.

170861711040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170861711040 is an abundant number, since it is smaller than the sum of its proper divisors (436923546336).

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

170861711040 is an equidigital number, since it uses as much as digits as its factorization.

170861711040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591916 (or 6591897 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

The spelling of 170861711040 in words is "one hundred seventy billion, eight hundred sixty-one million, seven hundred eleven thousand, forty".