163350963889 has 3 divisors (see below), whose sum is σ = 163351368057. Its totient is φ = 163350559722.

The previous prime is 163350963887. The next prime is 163350963931. The reversal of 163350963889 is 988369053361.

The square root of 163350963889 is 404167.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 988369053361 = 14843 ⋅66588227.

It is not a de Polignac number, because 163350963889 - 2¹ = 163350963887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163350963887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 202084 + ... + 606250.

It is an arithmetic number, because the mean of its divisors is an integer number (54450456019).

Almost surely, 2^163350963889 is an apocalyptic number.

163350963889 is the 404167-th square number.

163350963889 is the 202084-th centered octagonal number.

It is an amenable number.

163350963889 is a deficient number, since it is larger than the sum of its proper divisors (404168).

163350963889 is an frugal number, since it uses more digits than its factorization.

163350963889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808334 (or 404167 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 163350963889 in words is "one hundred sixty-three billion, three hundred fifty million, nine hundred sixty-three thousand, eight hundred eighty-nine".