163666002 has 8 divisors (see below), whose sum is σ = 327332016. Its totient is φ = 54555332.

The previous prime is 163665977. The next prime is 163666033. The reversal of 163666002 is 200666361.

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

163666002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13638828 + ... + 13638839.

It is an arithmetic number, because the mean of its divisors is an integer number (40916502).

Almost surely, 2^163666002 is an apocalyptic number.

163666002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163666002 is a wasteful number, since it uses less digits than its factorization.

163666002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277672.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 163666002 is about 12793.2013976174. The cubic root of 163666002 is about 546.9985283380.

The spelling of 163666002 in words is "one hundred sixty-three million, six hundred sixty-six thousand, two".