170000000000 has 242 divisors, whose sum is σ = 449780264226. Its totient is φ = 64000000000.

The previous prime is 169999999963. The next prime is 170000000033. The reversal of 170000000000 is 71.

It can be written as a sum of positive squares in 11 ways, for example, as 4813029376 + 165186970624 = 69376^2 + 406432^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 9999999992 + ... + 10000000008.

Almost surely, 2^170000000000 is an apocalyptic number.

170000000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224890132113).

170000000000 is an abundant number, since it is smaller than the sum of its proper divisors (279780264226).

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

170000000000 is an frugal number, since it uses more digits than its factorization.

170000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 8.

Adding to 170000000000 its reverse (71), we get a palindrome (170000000071).

The spelling of 170000000000 in words is "one hundred seventy billion", and thus it is an aban number.