172065683 has 6 divisors (see below), whose sum is σ = 172718676. Its totient is φ = 171414372.

The previous prime is 172065631. The next prime is 172065703. The reversal of 172065683 is 386560271.

It is not a de Polignac number, because 172065683 - 2⁸ = 172065427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172065623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283166 + ... + 283772.

It is an arithmetic number, because the mean of its divisors is an integer number (28786446).

Almost surely, 2^172065683 is an apocalyptic number.

172065683 is a deficient number, since it is larger than the sum of its proper divisors (652993).

172065683 is an frugal number, since it uses more digits than its factorization.

172065683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 172065683 is about 13117.3809504794. The cubic root of 172065683 is about 556.2005588679.

The spelling of 172065683 in words is "one hundred seventy-two million, sixty-five thousand, six hundred eighty-three".