16684580309460 has 48 divisors (see below), whose sum is σ = 53390656991616. Its totient is φ = 3813618356352.

The previous prime is 16684580309417. The next prime is 16684580309539. The reversal of 16684580309460 is 6490308548661.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 16684580309394 and 16684580309403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19862595187 + ... + 19862596026.

It is an arithmetic number, because the mean of its divisors is an integer number (1112305353992).

Almost surely, 2^{16684580309460} is an apocalyptic number.

16684580309460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16684580309460 is an abundant number, since it is smaller than the sum of its proper divisors (36706076682156).

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

16684580309460 is a wasteful number, since it uses less digits than its factorization.

16684580309460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39725191232 (or 39725191230 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 16684580309460 in words is "sixteen trillion, six hundred eighty-four billion, five hundred eighty million, three hundred nine thousand, four hundred sixty".