16802542519 has 6 divisors (see below), whose sum is σ = 19545814824. Its totient is φ = 14402179260.

The previous prime is 16802542511. The next prime is 16802542553. The reversal of 16802542519 is 91524520861.

It is not a de Polignac number, because 16802542519 - 2³ = 16802542511 is a prime.

It is a super-2 number, since 2×16802542519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16802542511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171454467 + ... + 171454564.

It is an arithmetic number, because the mean of its divisors is an integer number (3257635804).

Almost surely, 2^16802542519 is an apocalyptic number.

16802542519 is a deficient number, since it is larger than the sum of its proper divisors (2743272305).

16802542519 is an equidigital number, since it uses as much as digits as its factorization.

16802542519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342909045 (or 342909038 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 16802542519 in words is "sixteen billion, eight hundred two million, five hundred forty-two thousand, five hundred nineteen".