162889923 has 16 divisors (see below), whose sum is σ = 248507136. Its totient is φ = 92969760.

The previous prime is 162889901. The next prime is 162889943. The reversal of 162889923 is 329988261.

It is not a de Polignac number, because 162889923 - 2¹⁷ = 162758851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162889943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15640 + ... + 23882.

It is an arithmetic number, because the mean of its divisors is an integer number (15531696).

Almost surely, 2^162889923 is an apocalyptic number.

162889923 is a deficient number, since it is larger than the sum of its proper divisors (85617213).

162889923 is an equidigital number, since it uses as much as digits as its factorization.

162889923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194.

The product of its digits is 373248, while the sum is 48.

The square root of 162889923 is about 12762.8336587139. The cubic root of 162889923 is about 546.1325638485.

The spelling of 162889923 in words is "one hundred sixty-two million, eight hundred eighty-nine thousand, nine hundred twenty-three".