162165020 has 24 divisors (see below), whose sum is σ = 341250000. Its totient is φ = 64732032.

The previous prime is 162165007. The next prime is 162165049. The reversal of 162165020 is 20561261.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (14218750).

Almost surely, 2^162165020 is an apocalyptic number.

162165020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162165020 is an abundant number, since it is smaller than the sum of its proper divisors (179084980).

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

162165020 is a wasteful number, since it uses less digits than its factorization.

162165020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757 (or 16755 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 162165020 is about 12734.4030091717. The cubic root of 162165020 is about 545.3212145661.

The spelling of 162165020 in words is "one hundred sixty-two million, one hundred sixty-five thousand, twenty".