163655153 has 2 divisors, whose sum is σ = 163655154. Its totient is φ = 163655152.

The previous prime is 163655117. The next prime is 163655161. The reversal of 163655153 is 351556361.

It is a happy number.

163655153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158583649 + 5071504 = 12593^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 163655153 - 2¹⁰ = 163654129 is a prime.

It is not a weakly prime, because it can be changed into another prime (133655153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81827576 + 81827577.

It is an arithmetic number, because the mean of its divisors is an integer number (81827577).

Almost surely, 2^163655153 is an apocalyptic number.

It is an amenable number.

163655153 is a deficient number, since it is larger than the sum of its proper divisors (1).

163655153 is an equidigital number, since it uses as much as digits as its factorization.

163655153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 35.

The square root of 163655153 is about 12792.7773763167. Note that the first 3 decimals coincide. The cubic root of 163655153 is about 546.9864416939.

The spelling of 163655153 in words is "one hundred sixty-three million, six hundred fifty-five thousand, one hundred fifty-three".