172162136 has 16 divisors (see below), whose sum is σ = 323846640. Its totient is φ = 85803040.

The previous prime is 172162129. The next prime is 172162139. The reversal of 172162136 is 631261271.

It is a junction number, because it is equal to n+sod(n) for n = 172162099 and 172162108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172162139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32111 + ... + 37086.

It is an arithmetic number, because the mean of its divisors is an integer number (20240415).

Almost surely, 2^172162136 is an apocalyptic number.

It is an amenable number.

172162136 is a deficient number, since it is larger than the sum of its proper divisors (151684504).

172162136 is a wasteful number, since it uses less digits than its factorization.

172162136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69514 (or 69510 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 172162136 is about 13121.0569696195. The cubic root of 172162136 is about 556.3044672331.

The spelling of 172162136 in words is "one hundred seventy-two million, one hundred sixty-two thousand, one hundred thirty-six".