16684692 has 12 divisors (see below), whose sum is σ = 38930976. Its totient is φ = 5561560.

The previous prime is 16684691. The next prime is 16684699. The reversal of 16684692 is 29648661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695184 + ... + 695207.

It is an arithmetic number, because the mean of its divisors is an integer number (3244248).

Almost surely, 2^16684692 is an apocalyptic number.

16684692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16684692 is an abundant number, since it is smaller than the sum of its proper divisors (22246284).

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

16684692 is a wasteful number, since it uses less digits than its factorization.

16684692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390398 (or 1390396 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 16684692 is about 4084.6899515141. The cubic root of 16684692 is about 255.5285308397.

The spelling of 16684692 in words is "sixteen million, six hundred eighty-four thousand, six hundred ninety-two".