162189853 has 6 divisors (see below), whose sum is σ = 188669886. Its totient is φ = 139019832.

The previous prime is 162189827. The next prime is 162189869. The reversal of 162189853 is 358981261.

162189853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160706329 + 1483524 = 12677^2 + 1218^2 .

It is not a de Polignac number, because 162189853 - 2⁹ = 162189341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162189803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1654950 + ... + 1655047.

It is an arithmetic number, because the mean of its divisors is an integer number (31444981).

Almost surely, 2^162189853 is an apocalyptic number.

It is an amenable number.

162189853 is a deficient number, since it is larger than the sum of its proper divisors (26480033).

162189853 is an equidigital number, since it uses as much as digits as its factorization.

162189853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310011 (or 3310004 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 162189853 is about 12735.3780077389. The cubic root of 162189853 is about 545.3490489095.

The spelling of 162189853 in words is "one hundred sixty-two million, one hundred eighty-nine thousand, eight hundred fifty-three".