16530028644356 has 24 divisors (see below), whose sum is σ = 28962884685504. Its totient is φ = 8254924835040.

The previous prime is 16530028644331. The next prime is 16530028644379. The reversal of 16530028644356 is 65344682003561.

It is a junction number, because it is equal to n+sod(n) for n = 16530028644298 and 16530028644307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10100546 + ... + 11622438.

It is an arithmetic number, because the mean of its divisors is an integer number (1206786861896).

Almost surely, 2^{16530028644356} is an apocalyptic number.

It is an amenable number.

16530028644356 is a deficient number, since it is larger than the sum of its proper divisors (12432856041148).

16530028644356 is a wasteful number, since it uses less digits than its factorization.

16530028644356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525211 (or 1525209 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 16530028644356 in words is "sixteen trillion, five hundred thirty billion, twenty-eight million, six hundred forty-four thousand, three hundred fifty-six".