16891468 has 24 divisors (see below), whose sum is σ = 32707584. Its totient is φ = 7568400.

The previous prime is 16891439. The next prime is 16891481. The reversal of 16891468 is 86419861.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 421 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816).

Almost surely, 2^16891468 is an apocalyptic number.

It is an amenable number.

16891468 is a deficient number, since it is larger than the sum of its proper divisors (15816116).

16891468 is a wasteful number, since it uses less digits than its factorization.

16891468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493 (or 5491 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 16891468 is about 4109.9231136361. The cubic root of 16891468 is about 256.5798015678.

The spelling of 16891468 in words is "sixteen million, eight hundred ninety-one thousand, four hundred sixty-eight".