16542082079 has 2 divisors, whose sum is σ = 16542082080. Its totient is φ = 16542082078.

The previous prime is 16542082021. The next prime is 16542082093. The reversal of 16542082079 is 97028024561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16542082079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16542082979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8271041039 + 8271041040.

It is an arithmetic number, because the mean of its divisors is an integer number (8271041040).

Almost surely, 2^16542082079 is an apocalyptic number.

16542082079 is a deficient number, since it is larger than the sum of its proper divisors (1).

16542082079 is an equidigital number, since it uses as much as digits as its factorization.

16542082079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 16542082079 in words is "sixteen billion, five hundred forty-two million, eighty-two thousand, seventy-nine".