172217606118 has 32 divisors (see below), whose sum is σ = 356337934560. Its totient is φ = 55422366720.

The previous prime is 172217606053. The next prime is 172217606129. The reversal of 172217606118 is 811606712271.

172217606118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 172217606118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265398 + ... + 3317718.

It is an arithmetic number, because the mean of its divisors is an integer number (11135560455).

Almost surely, 2^172217606118 is an apocalyptic number.

172217606118 is an abundant number, since it is smaller than the sum of its proper divisors (184120328442).

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

172217606118 is a wasteful number, since it uses less digits than its factorization.

172217606118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71272.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 172217606118 in words is "one hundred seventy-two billion, two hundred seventeen million, six hundred six thousand, one hundred eighteen".