9170172801 has 12 divisors (see below), whose sum is σ = 13279861140. Its totient is φ = 6097730400.

The previous prime is 9170172797. The next prime is 9170172871. The reversal of 9170172801 is 1082710719.

It can be written as a sum of positive squares in 2 ways, for example, as 5483254401 + 3686918400 = 74049^2 + 60720^2 .

It is not a de Polignac number, because 9170172801 - 2² = 9170172797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9170172871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306150 + ... + 1313151.

It is an arithmetic number, because the mean of its divisors is an integer number (1106655095).

Almost surely, 2^9170172801 is an apocalyptic number.

It is an amenable number.

9170172801 is a deficient number, since it is larger than the sum of its proper divisors (4109688339).

9170172801 is a wasteful number, since it uses less digits than its factorization.

9170172801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619696 (or 2619693 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 9170172801 is about 95761.0192145008. The cubic root of 9170172801 is about 2093.1121877124.

The spelling of 9170172801 in words is "nine billion, one hundred seventy million, one hundred seventy-two thousand, eight hundred one".