16628982 has 8 divisors (see below), whose sum is σ = 33257976. Its totient is φ = 5542992.

The previous prime is 16628951. The next prime is 16628993. The reversal of 16628982 is 28982661.

It is a sphenic number, since it is the product of 3 distinct primes.

16628982 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1385743 + ... + 1385754.

It is an arithmetic number, because the mean of its divisors is an integer number (4157247).

Almost surely, 2^16628982 is an apocalyptic number.

16628982 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.

16628982 is a wasteful number, since it uses less digits than its factorization.

16628982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771502.

The product of its digits is 82944, while the sum is 42.

The square root of 16628982 is about 4077.8648825090. The cubic root of 16628982 is about 255.2438114102.

The spelling of 16628982 in words is "sixteen million, six hundred twenty-eight thousand, nine hundred eighty-two".