162170008 has 144 divisors (see below), whose sum is σ = 420290640. Its totient is φ = 58101120.

The previous prime is 162170003. The next prime is 162170023. The reversal of 162170008 is 800071261.

162170008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162170008² = 52598222989440128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162170003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 616485 + ... + 616747.

It is an arithmetic number, because the mean of its divisors is an integer number (2918685).

Almost surely, 2^162170008 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 162170008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210145320).

162170008 is an abundant number, since it is smaller than the sum of its proper divisors (258120632).

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

162170008 is a wasteful number, since it uses less digits than its factorization.

162170008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 162170008 is about 12734.5988550877. The cubic root of 162170008 is about 545.3268056493.

The spelling of 162170008 in words is "one hundred sixty-two million, one hundred seventy thousand, eight".