172016522106 has 64 divisors (see below), whose sum is σ = 421751715840. Its totient is φ = 46024482240.

The previous prime is 172016522101. The next prime is 172016522137. The reversal of 172016522106 is 601225610271.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (172016522101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4338646 + ... + 4378113.

It is an arithmetic number, because the mean of its divisors is an integer number (6589870560).

Almost surely, 2^172016522106 is an apocalyptic number.

172016522106 is an abundant number, since it is smaller than the sum of its proper divisors (249735193734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172016522106 is a wasteful number, since it uses less digits than its factorization.

172016522106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716811.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 172016522106 in words is "one hundred seventy-two billion, sixteen million, five hundred twenty-two thousand, one hundred six".