18806860996170 has 64 divisors (see below), whose sum is σ = 49525643873664. Its totient is φ = 4542034348800.

The previous prime is 18806860996141. The next prime is 18806860996171. The reversal of 18806860996170 is 7169906860881.

It is a junction number, because it is equal to n+sod(n) for n = 18806860996095 and 18806860996104.

It is not an unprimeable number, because it can be changed into a prime (18806860996171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454910656 + ... + 454951995.

It is an arithmetic number, because the mean of its divisors is an integer number (773838185526).

Almost surely, 2^{18806860996170} is an apocalyptic number.

18806860996170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18806860996170 is an abundant number, since it is smaller than the sum of its proper divisors (30718782877494).

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

18806860996170 is a wasteful number, since it uses less digits than its factorization.

18806860996170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909862727.

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 18806860996170 in words is "eighteen trillion, eight hundred six billion, eight hundred sixty million, nine hundred ninety-six thousand, one hundred seventy".