16580376469 has 2 divisors, whose sum is σ = 16580376470. Its totient is φ = 16580376468.

The previous prime is 16580376433. The next prime is 16580376473. The reversal of 16580376469 is 96467308561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13153796100 + 3426580369 = 114690^2 + 58537^2 .

It is a cyclic number.

It is not a de Polignac number, because 16580376469 - 2⁷ = 16580376341 is a prime.

It is a super-2 number, since 2×16580376469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16580376409) 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, 8290188234 + 8290188235.

It is an arithmetic number, because the mean of its divisors is an integer number (8290188235).

Almost surely, 2^16580376469 is an apocalyptic number.

It is an amenable number.

16580376469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16580376469 is an equidigital number, since it uses as much as digits as its factorization.

16580376469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 16580376469 in words is "sixteen billion, five hundred eighty million, three hundred seventy-six thousand, four hundred sixty-nine".