163887337 has 2 divisors, whose sum is σ = 163887338. Its totient is φ = 163887336.

The previous prime is 163887329. The next prime is 163887341. The reversal of 163887337 is 733788361.

163887337 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., 147476736 + 16410601 = 12144^2 + 4051^2 .

It is an emirp because it is prime and its reverse (733788361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163887337 - 2³ = 163887329 is a prime.

It is not a weakly prime, because it can be changed into another prime (163887377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81943668 + 81943669.

It is an arithmetic number, because the mean of its divisors is an integer number (81943669).

Almost surely, 2^163887337 is an apocalyptic number.

It is an amenable number.

163887337 is a deficient number, since it is larger than the sum of its proper divisors (1).

163887337 is an equidigital number, since it uses as much as digits as its factorization.

163887337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 163887337 is about 12801.8489680202. The cubic root of 163887337 is about 547.2449965153.

The spelling of 163887337 in words is "one hundred sixty-three million, eight hundred eighty-seven thousand, three hundred thirty-seven".