15728616006 has 8 divisors (see below), whose sum is σ = 31457232024. Its totient is φ = 5242872000.

The previous prime is 15728615999. The next prime is 15728616017. The reversal of 15728616006 is 60061682751.

It is a sphenic number, since it is the product of 3 distinct primes.

15728616006 is an admirable number.

It is a super-2 number, since 2×15728616006² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310717995 + ... + 1310718006.

It is an arithmetic number, because the mean of its divisors is an integer number (3932154003).

Almost surely, 2^15728616006 is an apocalyptic number.

15728616006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15728616006 is a wasteful number, since it uses less digits than its factorization.

15728616006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621436006.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 15728616006 in words is "fifteen billion, seven hundred twenty-eight million, six hundred sixteen thousand, six".