172010115017066 has 8 divisors (see below), whose sum is σ = 261123789062304. Its totient is φ = 84968851996300.

The previous prime is 172010115017063. The next prime is 172010115017089. The reversal of 172010115017066 is 660710511010271.

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

It is a super-3 number, since 3×172010115017066³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172010115017063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518102755910 + ... + 518102756241.

It is an arithmetic number, because the mean of its divisors is an integer number (32640473632788).

Almost surely, 2^{172010115017066} is an apocalyptic number.

172010115017066 is a deficient number, since it is larger than the sum of its proper divisors (89113674045238).

172010115017066 is a wasteful number, since it uses less digits than its factorization.

172010115017066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036205512236.

The product of its (nonzero) digits is 17640, while the sum is 38.

The spelling of 172010115017066 in words is "one hundred seventy-two trillion, ten billion, one hundred fifteen million, seventeen thousand, sixty-six".