172066065 has 8 divisors (see below), whose sum is σ = 275305728. Its totient is φ = 91768560.

The previous prime is 172066051. The next prime is 172066087. The reversal of 172066065 is 560660271.

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

It is not a de Polignac number, because 172066065 - 2⁸ = 172065809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735521 + ... + 5735550.

It is an arithmetic number, because the mean of its divisors is an integer number (34413216).

Almost surely, 2^172066065 is an apocalyptic number.

172066065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172066065 is a deficient number, since it is larger than the sum of its proper divisors (103239663).

172066065 is a wasteful number, since it uses less digits than its factorization.

172066065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471079.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 172066065 is about 13117.3955113048. The cubic root of 172066065 is about 556.2009704713.

The spelling of 172066065 in words is "one hundred seventy-two million, sixty-six thousand, sixty-five".