16684866460 has 48 divisors (see below), whose sum is σ = 35342770176. Its totient is φ = 6616154432.

The previous prime is 16684866433. The next prime is 16684866463. The reversal of 16684866460 is 6466848661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684866463) 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, 1272699 + ... + 1285741.

It is an arithmetic number, because the mean of its divisors is an integer number (736307712).

Almost surely, 2^16684866460 is an apocalyptic number.

16684866460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16684866460 is an abundant number, since it is smaller than the sum of its proper divisors (18657903716).

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

16684866460 is a wasteful number, since it uses less digits than its factorization.

16684866460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602 (or 13600 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 16684866460 in words is "sixteen billion, six hundred eighty-four million, eight hundred sixty-six thousand, four hundred sixty".