16828642 has 16 divisors (see below), whose sum is σ = 27489600. Its totient is φ = 7696080.

The previous prime is 16828631. The next prime is 16828649. The reversal of 16828642 is 24682861.

It is not an unprimeable number, because it can be changed into a prime (16828649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534 + ... + 8737.

It is an arithmetic number, because the mean of its divisors is an integer number (1718100).

Almost surely, 2^16828642 is an apocalyptic number.

16828642 is a deficient number, since it is larger than the sum of its proper divisors (10660958).

16828642 is a wasteful number, since it uses less digits than its factorization.

16828642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15321.

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

The square root of 16828642 is about 4102.2727846890. The cubic root of 16828642 is about 256.2612993629.

The spelling of 16828642 in words is "sixteen million, eight hundred twenty-eight thousand, six hundred forty-two".