163925117 has 16 divisors (see below), whose sum is σ = 179512320. Its totient is φ = 149212800.

The previous prime is 163925107. The next prime is 163925119. The reversal of 163925117 is 711529361.

It is a cyclic number.

It is not a de Polignac number, because 163925117 - 2¹⁰ = 163924093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163925119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41609 + ... + 45377.

It is an arithmetic number, because the mean of its divisors is an integer number (11219520).

Almost surely, 2^163925117 is an apocalyptic number.

It is an amenable number.

163925117 is a deficient number, since it is larger than the sum of its proper divisors (15587203).

163925117 is a wasteful number, since it uses less digits than its factorization.

163925117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884.

The product of its digits is 11340, while the sum is 35.

The square root of 163925117 is about 12803.3244510947. The cubic root of 163925117 is about 547.2870443592.

The spelling of 163925117 in words is "one hundred sixty-three million, nine hundred twenty-five thousand, one hundred seventeen".