16648998 has 32 divisors (see below), whose sum is σ = 34822656. Its totient is φ = 5301408.

The previous prime is 16648991. The next prime is 16648999. The reversal of 16648998 is 89984661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16648998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16648991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11440 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (1088208).

Almost surely, 2^16648998 is an apocalyptic number.

16648998 is an abundant number, since it is smaller than the sum of its proper divisors (18173658).

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

16648998 is a wasteful number, since it uses less digits than its factorization.

16648998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its digits is 746496, while the sum is 51.

The square root of 16648998 is about 4080.3183699314. The cubic root of 16648998 is about 255.3461811092.

The spelling of 16648998 in words is "sixteen million, six hundred forty-eight thousand, nine hundred ninety-eight".