16998968 has 16 divisors (see below), whose sum is σ = 36426480. Its totient is φ = 7285248.

The previous prime is 16998923. The next prime is 16998973. The reversal of 16998968 is 86989961.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 303553 = 16998968 / (1 + 6 + 9 + 9 + 8 + 9 + 6 + 8).

It is a congruent number.

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, 151721 + ... + 151832.

It is an arithmetic number, because the mean of its divisors is an integer number (2276655).

Almost surely, 2^16998968 is an apocalyptic number.

It is an amenable number.

16998968 is an abundant number, since it is smaller than the sum of its proper divisors (19427512).

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

16998968 is a wasteful number, since it uses less digits than its factorization.

16998968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303566 (or 303562 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 56.

The square root of 16998968 is about 4122.9804753358. The cubic root of 16998968 is about 257.1229558966.

The spelling of 16998968 in words is "sixteen million, nine hundred ninety-eight thousand, nine hundred sixty-eight".