16891068 has 24 divisors (see below), whose sum is σ = 39573072. Its totient is φ = 5607424.

The previous prime is 16891067. The next prime is 16891097. The reversal of 16891068 is 86019861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16891067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1648878).

Almost surely, 2^16891068 is an apocalyptic number.

It is an amenable number.

16891068 is an abundant number, since it is smaller than the sum of its proper divisors (22682004).

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

16891068 is a wasteful number, since it uses less digits than its factorization.

16891068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 16891068 is about 4109.8744506371. The cubic root of 16891068 is about 256.5777762311.

The spelling of 16891068 in words is "sixteen million, eight hundred ninety-one thousand, sixty-eight".