16401306 has 8 divisors (see below), whose sum is σ = 32802624. Its totient is φ = 5467100.

The previous prime is 16401299. The next prime is 16401317. The reversal of 16401306 is 60310461.

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

16401306 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366770 + ... + 1366781.

It is an arithmetic number, because the mean of its divisors is an integer number (4100328).

Almost surely, 2^16401306 is an apocalyptic number.

16401306 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.

16401306 is a wasteful number, since it uses less digits than its factorization.

16401306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733556.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16401306 is about 4049.8525899099. The cubic root of 16401306 is about 254.0735625069.

Adding to 16401306 its reverse (60310461), we get a palindrome (76711767).

The spelling of 16401306 in words is "sixteen million, four hundred one thousand, three hundred six".