163738113 has 16 divisors (see below), whose sum is σ = 272188416. Its totient is φ = 85058640.

The previous prime is 163738097. The next prime is 163738121. The reversal of 163738113 is 311837361.

It is not a de Polignac number, because 163738113 - 2⁴ = 163738097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (163738123) 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, 354181 + ... + 354642.

It is an arithmetic number, because the mean of its divisors is an integer number (17011776).

Almost surely, 2^163738113 is an apocalyptic number.

It is an amenable number.

163738113 is a deficient number, since it is larger than the sum of its proper divisors (108450303).

163738113 is a wasteful number, since it uses less digits than its factorization.

163738113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708844.

The product of its digits is 9072, while the sum is 33.

The square root of 163738113 is about 12796.0194201166. The cubic root of 163738113 is about 547.0788521249.

The spelling of 163738113 in words is "one hundred sixty-three million, seven hundred thirty-eight thousand, one hundred thirteen".