16628842 has 16 divisors (see below), whose sum is σ = 25380864. Its totient is φ = 8170000.

The previous prime is 16628827. The next prime is 16628863. The reversal of 16628842 is 24882661.

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, 38367 + ... + 38797.

It is an arithmetic number, because the mean of its divisors is an integer number (1586304).

Almost surely, 2^16628842 is an apocalyptic number.

16628842 is a deficient number, since it is larger than the sum of its proper divisors (8752022).

16628842 is a wasteful number, since it uses less digits than its factorization.

16628842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 36864, while the sum is 37.

The square root of 16628842 is about 4077.8477166270. The cubic root of 16628842 is about 255.2430951059.

The spelling of 16628842 in words is "sixteen million, six hundred twenty-eight thousand, eight hundred forty-two".