163663153 has 16 divisors (see below), whose sum is σ = 173612880. Its totient is φ = 154054656.

The previous prime is 163663121. The next prime is 163663217. The reversal of 163663153 is 351366361.

It can be written as a sum of positive squares in 8 ways, for example, as 27889 + 163635264 = 167^2 + 12792^2 .

It is a cyclic number.

It is not a de Polignac number, because 163663153 - 2⁵ = 163663121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163663453) 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, 204951 + ... + 205747.

It is an arithmetic number, because the mean of its divisors is an integer number (10850805).

Almost surely, 2^163663153 is an apocalyptic number.

It is an amenable number.

163663153 is a deficient number, since it is larger than the sum of its proper divisors (9949727).

163663153 is an equidigital number, since it uses as much as digits as its factorization.

163663153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 29160, while the sum is 34.

The square root of 163663153 is about 12793.0900489288. The cubic root of 163663153 is about 546.9953543784.

The spelling of 163663153 in words is "one hundred sixty-three million, six hundred sixty-three thousand, one hundred fifty-three".