172256606 has 8 divisors (see below), whose sum is σ = 258845544. Its totient is φ = 85974760.

The previous prime is 172256593. The next prime is 172256627. The reversal of 172256606 is 606652271.

172256606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×172256606³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75365 + ... + 77616.

It is an arithmetic number, because the mean of its divisors is an integer number (32355693).

Almost surely, 2^172256606 is an apocalyptic number.

172256606 is a deficient number, since it is larger than the sum of its proper divisors (86588938).

172256606 is a wasteful number, since it uses less digits than its factorization.

172256606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153546.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 172256606 is about 13124.6564145504. The cubic root of 172256606 is about 556.4062017076.

The spelling of 172256606 in words is "one hundred seventy-two million, two hundred fifty-six thousand, six hundred six".