16729667604 has 108 divisors (see below), whose sum is σ = 45847374300. Its totient is φ = 5141380608.

The previous prime is 16729667491. The next prime is 16729667611. The reversal of 16729667604 is 40676692761.

16729667604 is a `hidden beast` number, since 1 + 6 + 7 + 29 + 6 + 6 + 7 + 604 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 954810000 + 15774857604 = 30900^2 + 125598^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9788302 + ... + 9790010.

It is an arithmetic number, because the mean of its divisors is an integer number (424512725).

Almost surely, 2^16729667604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16729667604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22923687150).

16729667604 is an abundant number, since it is smaller than the sum of its proper divisors (29117706696).

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

16729667604 is a wasteful number, since it uses less digits than its factorization.

16729667604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 16729667604 in words is "sixteen billion, seven hundred twenty-nine million, six hundred sixty-seven thousand, six hundred four".