16542079 has 2 divisors, whose sum is σ = 16542080. Its totient is φ = 16542078.

The previous prime is 16542061. The next prime is 16542101. The reversal of 16542079 is 97024561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16542079 - 2¹⁷ = 16411007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16542049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8271039 + 8271040.

It is an arithmetic number, because the mean of its divisors is an integer number (8271040).

Almost surely, 2^16542079 is an apocalyptic number.

16542079 is a deficient number, since it is larger than the sum of its proper divisors (1).

16542079 is an equidigital number, since it uses as much as digits as its factorization.

16542079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 16542079 is about 4067.1954710832. The cubic root of 16542079 is about 254.7984001881.

The spelling of 16542079 in words is "sixteen million, five hundred forty-two thousand, seventy-nine".