172201006 has 8 divisors (see below), whose sum is σ = 258766920. Its totient is φ = 85945368.

The previous prime is 172200989. The next prime is 172201021. The reversal of 172201006 is 600102271.

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

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, 76176 + ... + 78403.

It is an arithmetic number, because the mean of its divisors is an integer number (32345865).

Almost surely, 2^172201006 is an apocalyptic number.

172201006 is a deficient number, since it is larger than the sum of its proper divisors (86565914).

172201006 is a wasteful number, since it uses less digits than its factorization.

172201006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155138.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 172201006 is about 13122.5380929148. The cubic root of 172201006 is about 556.3463307306.

Adding to 172201006 its reverse (600102271), we get a palindrome (772303277).

The spelling of 172201006 in words is "one hundred seventy-two million, two hundred one thousand, six".