16006157728 has 48 divisors (see below), whose sum is σ = 35025522336. Its totient is φ = 7138243840.

The previous prime is 16006157683. The next prime is 16006157749. The reversal of 16006157728 is 82775160061.

It is a super-2 number, since 2×16006157728² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410326 + ... + 447637.

It is an arithmetic number, because the mean of its divisors is an integer number (729698382).

Almost surely, 2^16006157728 is an apocalyptic number.

It is an amenable number.

16006157728 is an abundant number, since it is smaller than the sum of its proper divisors (19019364608).

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

16006157728 is a wasteful number, since it uses less digits than its factorization.

16006157728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858037 (or 858029 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 16006157728 in words is "sixteen billion, six million, one hundred fifty-seven thousand, seven hundred twenty-eight".