170427648 has 108 divisors (see below), whose sum is σ = 468157760. Its totient is φ = 55031808.

The previous prime is 170427643. The next prime is 170427659. The reversal of 170427648 is 846724071.

170427648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170427641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157273 + ... + 2157351.

Almost surely, 2^170427648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170427648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234078880).

170427648 is an abundant number, since it is smaller than the sum of its proper divisors (297730112).

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

170427648 is an frugal number, since it uses more digits than its factorization.

170427648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 170427648 is about 13054.7940619529. The cubic root of 170427648 is about 554.4299511772.

The spelling of 170427648 in words is "one hundred seventy million, four hundred twenty-seven thousand, six hundred forty-eight".