163170901 has 8 divisors (see below), whose sum is σ = 170452800. Its totient is φ = 155904672.

The previous prime is 163170883. The next prime is 163170911. The reversal of 163170901 is 109071361.

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

It is not a de Polignac number, because 163170901 - 2¹⁷ = 163039829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163170901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163170911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20746 + ... + 27508.

It is an arithmetic number, because the mean of its divisors is an integer number (21306600).

Almost surely, 2^163170901 is an apocalyptic number.

It is an amenable number.

163170901 is a deficient number, since it is larger than the sum of its proper divisors (7281899).

163170901 is a wasteful number, since it uses less digits than its factorization.

163170901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 163170901 is about 12773.8365810746. The cubic root of 163170901 is about 546.4464017356.

The spelling of 163170901 in words is "one hundred sixty-three million, one hundred seventy thousand, nine hundred one".