16540480219 has 2 divisors, whose sum is σ = 16540480220. Its totient is φ = 16540480218.

The previous prime is 16540480171. The next prime is 16540480241. The reversal of 16540480219 is 91208404561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16540480219 - 2⁹ = 16540479707 is a prime.

It is a super-2 number, since 2×16540480219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16540480819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8270240109 + 8270240110.

It is an arithmetic number, because the mean of its divisors is an integer number (8270240110).

Almost surely, 2^16540480219 is an apocalyptic number.

16540480219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16540480219 is an equidigital number, since it uses as much as digits as its factorization.

16540480219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 16540480219 in words is "sixteen billion, five hundred forty million, four hundred eighty thousand, two hundred nineteen".