163935153 has 6 divisors (see below), whose sum is σ = 236795234. Its totient is φ = 109290096.

The previous prime is 163935133. The next prime is 163935193. The reversal of 163935153 is 351539361.

163935153 is a `hidden beast` number, since 1 + 639 + 3 + 5 + 15 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143712144 + 20223009 = 11988^2 + 4497^2 .

It is a de Polignac number, because none of the positive numbers 2^k-163935153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163935133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9107500 + ... + 9107517.

Almost surely, 2^163935153 is an apocalyptic number.

It is an amenable number.

163935153 is a deficient number, since it is larger than the sum of its proper divisors (72860081).

163935153 is a wasteful number, since it uses less digits than its factorization.

163935153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215023 (or 18215020 counting only the distinct ones).

The product of its digits is 36450, while the sum is 36.

The square root of 163935153 is about 12803.7163745531. The cubic root of 163935153 is about 547.2982129968.

The spelling of 163935153 in words is "one hundred sixty-three million, nine hundred thirty-five thousand, one hundred fifty-three".