172107015106 has 16 divisors (see below), whose sum is σ = 278026056000. Its totient is φ = 79431997968.

The previous prime is 172107015103. The next prime is 172107015121. The reversal of 172107015106 is 601510701271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172107015103) 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 7 ways as a sum of consecutive naturals, for example, 1612795 + ... + 1716193.

It is an arithmetic number, because the mean of its divisors is an integer number (17376628500).

Almost surely, 2^172107015106 is an apocalyptic number.

172107015106 is a deficient number, since it is larger than the sum of its proper divisors (105919040894).

172107015106 is a wasteful number, since it uses less digits than its factorization.

172107015106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167433.

The product of its (nonzero) digits is 2940, while the sum is 31.

Adding to 172107015106 its reverse (601510701271), we get a palindrome (773617716377).

The spelling of 172107015106 in words is "one hundred seventy-two billion, one hundred seven million, fifteen thousand, one hundred six".