16120824469 has 4 divisors (see below), whose sum is σ = 16123500844. Its totient is φ = 16118148096.

The previous prime is 16120824463. The next prime is 16120824479. The reversal of 16120824469 is 96442802161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96442802161 = 127 ⋅759392143.

It can be written as a sum of positive squares in 2 ways, for example, as 5338494225 + 10782330244 = 73065^2 + 103838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16120824469 is a prime.

It is a super-2 number, since 2×16120824469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16120824463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329132 + ... + 1341205.

It is an arithmetic number, because the mean of its divisors is an integer number (4030875211).

Almost surely, 2^16120824469 is an apocalyptic number.

It is an amenable number.

16120824469 is a deficient number, since it is larger than the sum of its proper divisors (2676375).

16120824469 is an equidigital number, since it uses as much as digits as its factorization.

16120824469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676374.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 16120824469 in words is "sixteen billion, one hundred twenty million, eight hundred twenty-four thousand, four hundred sixty-nine".