162272183 has 4 divisors (see below), whose sum is σ = 162430608. Its totient is φ = 162113760.

The previous prime is 162272177. The next prime is 162272203. The reversal of 162272183 is 381272261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381272261 = 269 ⋅1417369.

It is a cyclic number.

It is not a de Polignac number, because 162272183 - 2⁶ = 162272119 is a prime.

It is a super-2 number, since 2×162272183² = 52664522751170978, which contains 22 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 (162272683) 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, 77666 + ... + 79727.

It is an arithmetic number, because the mean of its divisors is an integer number (40607652).

Almost surely, 2^162272183 is an apocalyptic number.

162272183 is a deficient number, since it is larger than the sum of its proper divisors (158425).

162272183 is a wasteful number, since it uses less digits than its factorization.

162272183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158424.

The product of its digits is 8064, while the sum is 32.

The square root of 162272183 is about 12738.6099320138. The cubic root of 162272183 is about 545.4413090837.

The spelling of 162272183 in words is "one hundred sixty-two million, two hundred seventy-two thousand, one hundred eighty-three".