16642898 has 16 divisors (see below), whose sum is σ = 27825120. Its totient is φ = 7419456.

The previous prime is 16642889. The next prime is 16642931. The reversal of 16642898 is 89824661.

It is a happy number.

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, 12236 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (1739070).

Almost surely, 2^16642898 is an apocalyptic number.

16642898 is a deficient number, since it is larger than the sum of its proper divisors (11182222).

16642898 is a wasteful number, since it uses less digits than its factorization.

16642898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25801.

The product of its digits is 165888, while the sum is 44.

The square root of 16642898 is about 4079.5708107594. The cubic root of 16642898 is about 255.3149920055.

The spelling of 16642898 in words is "sixteen million, six hundred forty-two thousand, eight hundred ninety-eight".