16416828 has 18 divisors (see below), whose sum is σ = 41498184. Its totient is φ = 5472264.

The previous prime is 16416797. The next prime is 16416857. The reversal of 16416828 is 82861461.

16416828 is a `hidden beast` number, since 1 + 641 + 6 + 8 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 456023 = 16416828 / (1 + 6 + 4 + 1 + 6 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 16416792 and 16416801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227976 + ... + 228047.

Almost surely, 2^16416828 is an apocalyptic number.

16416828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16416828 is an abundant number, since it is smaller than the sum of its proper divisors (25081356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16416828 is a wasteful number, since it uses less digits than its factorization.

16416828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456033 (or 456028 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 16416828 is about 4051.7685027652. The cubic root of 16416828 is about 254.1536879634.

The spelling of 16416828 in words is "sixteen million, four hundred sixteen thousand, eight hundred twenty-eight".