1006172165 has 8 divisors (see below), whose sum is σ = 1225428000. Its totient is φ = 792923472.

The previous prime is 1006172159. The next prime is 1006172249. The reversal of 1006172165 is 5612716001.

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

It is a cyclic number.

It is not a de Polignac number, because 1006172165 - 2¹⁰ = 1006171141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501415 + ... + 1502084.

It is an arithmetic number, because the mean of its divisors is an integer number (153178500).

Almost surely, 2^1006172165 is an apocalyptic number.

It is an amenable number.

1006172165 is a deficient number, since it is larger than the sum of its proper divisors (219255835).

1006172165 is an equidigital number, since it uses as much as digits as its factorization.

1006172165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003571.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1006172165 is about 31720.2169759288. The cubic root of 1006172165 is about 1002.0531699415.

Adding to 1006172165 its reverse (5612716001), we get a palindrome (6618888166).

The spelling of 1006172165 in words is "one billion, six million, one hundred seventy-two thousand, one hundred sixty-five".