16402006 has 16 divisors (see below), whose sum is σ = 25304400. Its totient is φ = 7969248.

The previous prime is 16402003. The next prime is 16402019. The reversal of 16402006 is 60020461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16402003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22780 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (1581525).

Almost surely, 2^16402006 is an apocalyptic number.

16402006 is a deficient number, since it is larger than the sum of its proper divisors (8902394).

16402006 is a wasteful number, since it uses less digits than its factorization.

16402006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16402006 is about 4049.9390118865. The cubic root of 16402006 is about 254.0771770354.

Adding to 16402006 its reverse (60020461), we get a palindrome (76422467).

The spelling of 16402006 in words is "sixteen million, four hundred two thousand, six".