16694481 has 16 divisors (see below), whose sum is σ = 23331456. Its totient is φ = 10598016.

The previous prime is 16694479. The next prime is 16694497. The reversal of 16694481 is 18449661.

It is not a de Polignac number, because 16694481 - 2¹ = 16694479 is a prime.

It is a super-2 number, since 2×16694481² = 557411391718722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16694411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21211 + ... + 21983.

It is an arithmetic number, because the mean of its divisors is an integer number (1458216).

Almost surely, 2^16694481 is an apocalyptic number.

It is an amenable number.

16694481 is a deficient number, since it is larger than the sum of its proper divisors (6636975).

16694481 is a wasteful number, since it uses less digits than its factorization.

16694481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its digits is 41472, while the sum is 39.

The square root of 16694481 is about 4085.8880307713. Note that the first 3 decimals coincide. The cubic root of 16694481 is about 255.5784943983.

The spelling of 16694481 in words is "sixteen million, six hundred ninety-four thousand, four hundred eighty-one".