18000870170 has 8 divisors (see below), whose sum is σ = 32401566324. Its totient is φ = 7200348064.

The previous prime is 18000870149. The next prime is 18000870179. The reversal of 18000870170 is 7107800081.

It can be written as a sum of positive squares in 2 ways, for example, as 17075432929 + 925437241 = 130673^2 + 30421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18000870179) 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 3 ways as a sum of consecutive naturals, for example, 900043499 + ... + 900043518.

Almost surely, 2^18000870170 is an apocalyptic number.

18000870170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18000870170 is a deficient number, since it is larger than the sum of its proper divisors (14400696154).

18000870170 is a wasteful number, since it uses less digits than its factorization.

18000870170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800087024.

The product of its (nonzero) digits is 3136, while the sum is 32.

The spelling of 18000870170 in words is "eighteen billion, eight hundred seventy thousand, one hundred seventy".