172406106 has 24 divisors (see below), whose sum is σ = 378050400. Its totient is φ = 56775816.

The previous prime is 172406099. The next prime is 172406111. The reversal of 172406106 is 601604271.

172406106 is a `hidden beast` number, since 1 + 7 + 2 + 40 + 610 + 6 = 666.

172406106 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 172406106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56206 + ... + 59193.

It is an arithmetic number, because the mean of its divisors is an integer number (15752100).

Almost surely, 2^172406106 is an apocalyptic number.

172406106 is an abundant number, since it is smaller than the sum of its proper divisors (205644294).

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

172406106 is a wasteful number, since it uses less digits than its factorization.

172406106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115490 (or 115487 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 172406106 is about 13130.3505665310. The cubic root of 172406106 is about 556.5671218530.

The spelling of 172406106 in words is "one hundred seventy-two million, four hundred six thousand, one hundred six".