16115728301216 has 12 divisors (see below), whose sum is σ = 31727840093082. Its totient is φ = 8057864150592.

The previous prime is 16115728301159. The next prime is 16115728301279. The reversal of 16115728301216 is 61210382751161.

It can be written as a sum of positive squares in only one way, i.e., 9167548617616 + 6948179683600 = 3027796^2 + 2635940^2 .

It is a super-2 number, since 2×16115728301216² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 251808254675 + ... + 251808254738.

Almost surely, 2^{16115728301216} is an apocalyptic number.

16115728301216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16115728301216 is a deficient number, since it is larger than the sum of its proper divisors (15612111791866).

16115728301216 is an equidigital number, since it uses as much as digits as its factorization.

16115728301216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503616509423 (or 503616509415 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 16115728301216 in words is "sixteen trillion, one hundred fifteen billion, seven hundred twenty-eight million, three hundred one thousand, two hundred sixteen".