163172500106 has 16 divisors (see below), whose sum is σ = 305153766720. Its totient is φ = 63573701280.

The previous prime is 163172500039. The next prime is 163172500109. The reversal of 163172500106 is 601005271361.

It is a super-2 number, since 2×163172500106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163172500109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529780691 + ... + 529780998.

It is an arithmetic number, because the mean of its divisors is an integer number (19072110420).

Almost surely, 2^163172500106 is an apocalyptic number.

163172500106 is a deficient number, since it is larger than the sum of its proper divisors (141981266614).

163172500106 is a wasteful number, since it uses less digits than its factorization.

163172500106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059561709.

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 163172500106 its reverse (601005271361), we get a palindrome (764177771467).

The spelling of 163172500106 in words is "one hundred sixty-three billion, one hundred seventy-two million, five hundred thousand, one hundred six".