170985661248 has 56 divisors (see below), whose sum is σ = 453826851552. Its totient is φ = 56815404544.

The previous prime is 170985661211. The next prime is 170985661277. The reversal of 170985661248 is 842166589071.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1343790 + ... + 1465517.

Almost surely, 2^170985661248 is an apocalyptic number.

It is an amenable number.

170985661248 is an abundant number, since it is smaller than the sum of its proper divisors (282841190304).

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

170985661248 is a wasteful number, since it uses less digits than its factorization.

170985661248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809639 (or 2809629 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 170985661248 in words is "one hundred seventy billion, nine hundred eighty-five million, six hundred sixty-one thousand, two hundred forty-eight".