1698984016 has 20 divisors (see below), whose sum is σ = 3397969024. Its totient is φ = 822088800.

The previous prime is 1698984013. The next prime is 1698984043. The reversal of 1698984016 is 6104898961.

1698984016 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1698984011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1712190 + ... + 1713181.

Almost surely, 2^1698984016 is an apocalyptic number.

1698984016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1698984016 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1698984016 is a wasteful number, since it uses less digits than its factorization.

1698984016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425410 (or 3425404 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 1698984016 is about 41218.7337990870. The cubic root of 1698984016 is about 1193.2453877186.

The spelling of 1698984016 in words is "one billion, six hundred ninety-eight million, nine hundred eighty-four thousand, sixteen".