166320006 has 8 divisors (see below), whose sum is σ = 332640024. Its totient is φ = 55440000.

The previous prime is 166319987. The next prime is 166320019. The reversal of 166320006 is 600023661.

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

166320006 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13859995 + ... + 13860006.

It is an arithmetic number, because the mean of its divisors is an integer number (41580003).

Almost surely, 2^166320006 is an apocalyptic number.

166320006 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.

166320006 is a wasteful number, since it uses less digits than its factorization.

166320006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27720006.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 166320006 is about 12896.5113887439. The cubic root of 166320006 is about 549.9393938728.

Adding to 166320006 its reverse (600023661), we get a palindrome (766343667).

The spelling of 166320006 in words is "one hundred sixty-six million, three hundred twenty thousand, six".