16555713539 has 4 divisors (see below), whose sum is σ = 16559219160. Its totient is φ = 16552207920.

The previous prime is 16555713533. The next prime is 16555713541. The reversal of 16555713539 is 93531755561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93531755561 = 457 ⋅204664673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16555713539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16555713533) 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, 1745717 + ... + 1755174.

It is an arithmetic number, because the mean of its divisors is an integer number (4139804790).

Almost surely, 2^16555713539 is an apocalyptic number.

16555713539 is a deficient number, since it is larger than the sum of its proper divisors (3505621).

16555713539 is an equidigital number, since it uses as much as digits as its factorization.

16555713539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505620.

The product of its digits is 2126250, while the sum is 50.

The spelling of 16555713539 in words is "sixteen billion, five hundred fifty-five million, seven hundred thirteen thousand, five hundred thirty-nine".