163331153 has 4 divisors (see below), whose sum is σ = 163952448. Its totient is φ = 162709860.

The previous prime is 163331143. The next prime is 163331171. The reversal of 163331153 is 351133361.

It is a happy number.

163331153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163331153 - 2¹⁶ = 163265617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163331123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310253 + ... + 310778.

It is an arithmetic number, because the mean of its divisors is an integer number (40988112).

Almost surely, 2^163331153 is an apocalyptic number.

It is an amenable number.

163331153 is a deficient number, since it is larger than the sum of its proper divisors (621295).

163331153 is an equidigital number, since it uses as much as digits as its factorization.

163331153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621294.

The product of its digits is 2430, while the sum is 26.

The square root of 163331153 is about 12780.1077069014. The cubic root of 163331153 is about 546.6252336153.

The spelling of 163331153 in words is "one hundred sixty-three million, three hundred thirty-one thousand, one hundred fifty-three".