820170162 has 48 divisors (see below), whose sum is σ = 2096420352. Its totient is φ = 226774080.

The previous prime is 820170161. The next prime is 820170217. The reversal of 820170162 is 261071028.

820170162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (820170161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101083 + ... + 108894.

It is an arithmetic number, because the mean of its divisors is an integer number (43675424).

Almost surely, 2^820170162 is an apocalyptic number.

820170162 is an abundant number, since it is smaller than the sum of its proper divisors (1276250190).

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

820170162 is a wasteful number, since it uses less digits than its factorization.

820170162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210023 (or 210020 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 820170162 is about 28638.6131298288. The cubic root of 820170162 is about 936.0549017216.

The spelling of 820170162 in words is "eight hundred twenty million, one hundred seventy thousand, one hundred sixty-two".