16534019 has 2 divisors, whose sum is σ = 16534020. Its totient is φ = 16534018.

The previous prime is 16533997. The next prime is 16534043. The reversal of 16534019 is 91043561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16534019 - 2⁸ = 16533763 is a prime.

It is a super-2 number, since 2×16534019² = 546747568584722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16533982 and 16534000.

It is not a weakly prime, because it can be changed into another prime (16534069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267009 + 8267010.

It is an arithmetic number, because the mean of its divisors is an integer number (8267010).

Almost surely, 2^16534019 is an apocalyptic number.

16534019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16534019 is an equidigital number, since it uses as much as digits as its factorization.

16534019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16534019 is about 4066.2044955954. The cubic root of 16534019 is about 254.7570106154.

The spelling of 16534019 in words is "sixteen million, five hundred thirty-four thousand, nineteen".