16628042 has 16 divisors (see below), whose sum is σ = 25704000. Its totient is φ = 8062560.

The previous prime is 16628039. The next prime is 16628069. The reversal of 16628042 is 24082661.

It is a junction number, because it is equal to n+sod(n) for n = 16627996 and 16628014.

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, 15809 + ... + 16827.

It is an arithmetic number, because the mean of its divisors is an integer number (1606500).

Almost surely, 2^16628042 is an apocalyptic number.

16628042 is a deficient number, since it is larger than the sum of its proper divisors (9075958).

16628042 is a wasteful number, since it uses less digits than its factorization.

16628042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 16628042 is about 4077.7496244865. The cubic root of 16628042 is about 255.2390018613.

The spelling of 16628042 in words is "sixteen million, six hundred twenty-eight thousand, forty-two".