16006628 has 24 divisors (see below), whose sum is σ = 30802464. Its totient is φ = 7217600.

The previous prime is 16006609. The next prime is 16006631. The reversal of 16006628 is 82660061.

It is a self number, because there is not a number n which added to its sum of digits gives 16006628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376 + ... + 7152.

It is an arithmetic number, because the mean of its divisors is an integer number (1283436).

Almost surely, 2^16006628 is an apocalyptic number.

It is an amenable number.

16006628 is a deficient number, since it is larger than the sum of its proper divisors (14795836).

16006628 is a wasteful number, since it uses less digits than its factorization.

16006628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16006628 is about 4000.8284142162. The cubic root of 16006628 is about 252.0189999952.

Adding to 16006628 its reverse (82660061), we get a palindrome (98666689).

It can be divided in two parts, 1600 and 6628, that added together give a palindrome (8228).

The spelling of 16006628 in words is "sixteen million, six thousand, six hundred twenty-eight".