162163789 has 4 divisors (see below), whose sum is σ = 162385756. Its totient is φ = 161941824.

The previous prime is 162163751. The next prime is 162163817. The reversal of 162163789 is 987361261.

162163789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157301764 + 4862025 = 12542^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 162163789 - 2²⁵ = 128609357 is a prime.

It is a super-3 number, since 3×162163789³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162163889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109884 + ... + 111349.

It is an arithmetic number, because the mean of its divisors is an integer number (40596439).

Almost surely, 2^162163789 is an apocalyptic number.

It is an amenable number.

162163789 is a deficient number, since it is larger than the sum of its proper divisors (221967).

162163789 is an equidigital number, since it uses as much as digits as its factorization.

162163789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221966.

The product of its digits is 108864, while the sum is 43.

The square root of 162163789 is about 12734.3546754439. The cubic root of 162163789 is about 545.3198347122.

The spelling of 162163789 in words is "one hundred sixty-two million, one hundred sixty-three thousand, seven hundred eighty-nine".