16765199147 has 2 divisors, whose sum is σ = 16765199148. Its totient is φ = 16765199146.

The previous prime is 16765199137. The next prime is 16765199149. The reversal of 16765199147 is 74199156761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16765199147 - 2¹⁰ = 16765198123 is a prime.

Together with 16765199149, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16765199092 and 16765199101.

It is not a weakly prime, because it can be changed into another prime (16765199149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382599573 + 8382599574.

It is an arithmetic number, because the mean of its divisors is an integer number (8382599574).

Almost surely, 2^16765199147 is an apocalyptic number.

16765199147 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765199147 is an equidigital number, since it uses as much as digits as its factorization.

16765199147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 56.

The spelling of 16765199147 in words is "sixteen billion, seven hundred sixty-five million, one hundred ninety-nine thousand, one hundred forty-seven".