16327948613 has 2 divisors, whose sum is σ = 16327948614. Its totient is φ = 16327948612.

The previous prime is 16327948583. The next prime is 16327948667. The reversal of 16327948613 is 31684972361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11058204964 + 5269743649 = 105158^2 + 72593^2 .

It is a cyclic number.

It is not a de Polignac number, because 16327948613 - 2³⁰ = 15254206789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16327948913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8163974306 + 8163974307.

It is an arithmetic number, because the mean of its divisors is an integer number (8163974307).

Almost surely, 2^16327948613 is an apocalyptic number.

It is an amenable number.

16327948613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16327948613 is an equidigital number, since it uses as much as digits as its factorization.

16327948613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The spelling of 16327948613 in words is "sixteen billion, three hundred twenty-seven million, nine hundred forty-eight thousand, six hundred thirteen".