16630628 has 12 divisors (see below), whose sum is σ = 33261312. Its totient is φ = 7127400.

The previous prime is 16630619. The next prime is 16630631. The reversal of 16630628 is 82603661.

16630628 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16630594 and 16630603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296948 + ... + 297003.

It is an arithmetic number, because the mean of its divisors is an integer number (2771776).

Almost surely, 2^16630628 is an apocalyptic number.

It is an amenable number.

16630628 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.

16630628 is a wasteful number, since it uses less digits than its factorization.

16630628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593962 (or 593960 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16630628 is about 4078.0666988170. The cubic root of 16630628 is about 255.2522328007.

The spelling of 16630628 in words is "sixteen million, six hundred thirty thousand, six hundred twenty-eight".