16533795679 has 4 divisors (see below), whose sum is σ = 16543337976. Its totient is φ = 16524253384.

The previous prime is 16533795671. The next prime is 16533795697. The reversal of 16533795679 is 97659733561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16533795679 - 2³ = 16533795671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16533795671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4768549 + ... + 4772014.

It is an arithmetic number, because the mean of its divisors is an integer number (4135834494).

Almost surely, 2^16533795679 is an apocalyptic number.

16533795679 is a deficient number, since it is larger than the sum of its proper divisors (9542297).

16533795679 is an equidigital number, since it uses as much as digits as its factorization.

16533795679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542296.

The product of its digits is 32148900, while the sum is 61.

The spelling of 16533795679 in words is "sixteen billion, five hundred thirty-three million, seven hundred ninety-five thousand, six hundred seventy-nine".