163390066 has 8 divisors (see below), whose sum is σ = 280097280. Its totient is φ = 70024308.

The previous prime is 163390061. The next prime is 163390081. The reversal of 163390066 is 660093361.

It is a happy number.

163390066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163390061) 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, 5835346 + ... + 5835373.

It is an arithmetic number, because the mean of its divisors is an integer number (35012160).

Almost surely, 2^163390066 is an apocalyptic number.

163390066 is a deficient number, since it is larger than the sum of its proper divisors (116707214).

163390066 is a wasteful number, since it uses less digits than its factorization.

163390066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670728.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 163390066 is about 12782.4123701279. The cubic root of 163390066 is about 546.6909476789.

The spelling of 163390066 in words is "one hundred sixty-three million, three hundred ninety thousand, sixty-six".