18686870000170 has 32 divisors (see below), whose sum is σ = 35160921630720. Its totient is φ = 7142062187520.

The previous prime is 18686870000069. The next prime is 18686870000189. The reversal of 18686870000170 is 7100007868681.

It is a super-2 number, since 2×18686870000170² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 381495927 + ... + 381544906.

It is an arithmetic number, because the mean of its divisors is an integer number (1098778800960).

Almost surely, 2^{18686870000170} is an apocalyptic number.

18686870000170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18686870000170 is a deficient number, since it is larger than the sum of its proper divisors (16474051630550).

18686870000170 is a wasteful number, since it uses less digits than its factorization.

18686870000170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763040950.

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 18686870000170 in words is "eighteen trillion, six hundred eighty-six billion, eight hundred seventy million, one hundred seventy", and thus it is an aban number.