172146063 has 16 divisors (see below), whose sum is σ = 245396736. Its totient is φ = 106961280.

The previous prime is 172146041. The next prime is 172146077. The reversal of 172146063 is 360641271.

It is not a de Polignac number, because 172146063 - 2⁵ = 172146031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172146063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172146083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11133 + ... + 21638.

It is an arithmetic number, because the mean of its divisors is an integer number (15337296).

Almost surely, 2^172146063 is an apocalyptic number.

172146063 is a deficient number, since it is larger than the sum of its proper divisors (73250673).

172146063 is a wasteful number, since it uses less digits than its factorization.

172146063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32894.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 172146063 is about 13120.4444665568. Note that the first 4 decimals coincide. The cubic root of 172146063 is about 556.2871545607.

The spelling of 172146063 in words is "one hundred seventy-two million, one hundred forty-six thousand, sixty-three".