16991848 has 16 divisors (see below), whose sum is σ = 33245280. Its totient is φ = 8126448.

The previous prime is 16991809. The next prime is 16991851. The reversal of 16991848 is 84819961.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 16991798 and 16991807.

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, 45990 + ... + 46357.

It is an arithmetic number, because the mean of its divisors is an integer number (2077830).

Almost surely, 2^16991848 is an apocalyptic number.

It is an amenable number.

16991848 is a deficient number, since it is larger than the sum of its proper divisors (16253432).

16991848 is a wasteful number, since it uses less digits than its factorization.

16991848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92376 (or 92372 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 16991848 is about 4122.1169318689. The cubic root of 16991848 is about 257.0870523229.

The spelling of 16991848 in words is "sixteen million, nine hundred ninety-one thousand, eight hundred forty-eight".