16533383415025 has 144 divisors (see below), whose sum is σ = 23259990015360. Its totient is φ = 11627023795200.

The previous prime is 16533383414941. The next prime is 16533383415061. The reversal of 16533383415025 is 52051438333561.

It is not a de Polignac number, because 16533383415025 - 2⁷ = 16533383414897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16533383415025.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1523387499 + ... + 1523398351.

It is an arithmetic number, because the mean of its divisors is an integer number (161527708440).

Almost surely, 2^{16533383415025} is an apocalyptic number.

It is an amenable number.

16533383415025 is a deficient number, since it is larger than the sum of its proper divisors (6726606600335).

16533383415025 is a wasteful number, since it uses less digits than its factorization.

16533383415025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 16533383415025 in words is "sixteen trillion, five hundred thirty-three billion, three hundred eighty-three million, four hundred fifteen thousand, twenty-five".