16914681 has 12 divisors (see below), whose sum is σ = 27922752. Its totient is φ = 9665496.

The previous prime is 16914679. The next prime is 16914719. The reversal of 16914681 is 18641961.

It is a happy number.

It is not a de Polignac number, because 16914681 - 2¹ = 16914679 is a prime.

It is a super-4 number, since 4×16914681⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16914641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134181 + ... + 134306.

It is an arithmetic number, because the mean of its divisors is an integer number (2326896).

Almost surely, 2^16914681 is an apocalyptic number.

It is an amenable number.

16914681 is a deficient number, since it is larger than the sum of its proper divisors (11008071).

16914681 is a wasteful number, since it uses less digits than its factorization.

16914681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268500 (or 268497 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 16914681 is about 4112.7461628455. The cubic root of 16914681 is about 256.6972821935.

The spelling of 16914681 in words is "sixteen million, nine hundred fourteen thousand, six hundred eighty-one".