16533060639 has 16 divisors (see below), whose sum is σ = 22362531840. Its totient is φ = 10862925920.

The previous prime is 16533060637. The next prime is 16533060701. The reversal of 16533060639 is 93606033561.

It is a cyclic number.

It is not a de Polignac number, because 16533060639 - 2¹ = 16533060637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16533060639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16533060637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662317 + ... + 686825.

It is an arithmetic number, because the mean of its divisors is an integer number (1397658240).

Almost surely, 2^16533060639 is an apocalyptic number.

16533060639 is a deficient number, since it is larger than the sum of its proper divisors (5829471201).

16533060639 is a wasteful number, since it uses less digits than its factorization.

16533060639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750.

The product of its (nonzero) digits is 262440, while the sum is 42.

The spelling of 16533060639 in words is "sixteen billion, five hundred thirty-three million, sixty thousand, six hundred thirty-nine".