16120765469 has 2 divisors, whose sum is σ = 16120765470. Its totient is φ = 16120765468.

The previous prime is 16120765429. The next prime is 16120765471. The reversal of 16120765469 is 96456702161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10909802500 + 5210962969 = 104450^2 + 72187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16120765469 is a prime.

It is a super-2 number, since 2×16120765469² (a number of 21 digits) contains 22 as substring.

Together with 16120765471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16120765429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8060382734 + 8060382735.

It is an arithmetic number, because the mean of its divisors is an integer number (8060382735).

Almost surely, 2^16120765469 is an apocalyptic number.

It is an amenable number.

16120765469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16120765469 is an equidigital number, since it uses as much as digits as its factorization.

16120765469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 16120765469 in words is "sixteen billion, one hundred twenty million, seven hundred sixty-five thousand, four hundred sixty-nine".