172065368 has 16 divisors (see below), whose sum is σ = 339603000. Its totient is φ = 81504576.

The previous prime is 172065367. The next prime is 172065371. The reversal of 172065368 is 863560271.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172065367) 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, 565853 + ... + 566156.

Almost surely, 2^172065368 is an apocalyptic number.

It is an amenable number.

172065368 is a deficient number, since it is larger than the sum of its proper divisors (167537632).

172065368 is a wasteful number, since it uses less digits than its factorization.

172065368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132034 (or 1132030 counting only the distinct ones).

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

The square root of 172065368 is about 13117.3689435039. The cubic root of 172065368 is about 556.2002194562.

The spelling of 172065368 in words is "one hundred seventy-two million, sixty-five thousand, three hundred sixty-eight".