16580376433 has 2 divisors, whose sum is σ = 16580376434. Its totient is φ = 16580376432.

The previous prime is 16580376427. The next prime is 16580376469. The reversal of 16580376433 is 33467308561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8424119089 + 8156257344 = 91783^2 + 90312^2 .

It is a cyclic number.

It is not a de Polignac number, because 16580376433 - 2²⁹ = 16043505521 is a prime.

It is a super-3 number, since 3×16580376433³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16580376473) 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, 8290188216 + 8290188217.

It is an arithmetic number, because the mean of its divisors is an integer number (8290188217).

Almost surely, 2^16580376433 is an apocalyptic number.

It is an amenable number.

16580376433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16580376433 is an equidigital number, since it uses as much as digits as its factorization.

16580376433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 16580376433 in words is "sixteen billion, five hundred eighty million, three hundred seventy-six thousand, four hundred thirty-three".