16562509345 has 16 divisors (see below), whose sum is σ = 20526847488. Its totient is φ = 12815896320.

The previous prime is 16562509333. The next prime is 16562509351. The reversal of 16562509345 is 54390526561.

It is not a de Polignac number, because 16562509345 - 2²⁷ = 16428291617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16562509295 and 16562509304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281097 + ... + 334873.

It is an arithmetic number, because the mean of its divisors is an integer number (1282927968).

Almost surely, 2^16562509345 is an apocalyptic number.

It is an amenable number.

16562509345 is a deficient number, since it is larger than the sum of its proper divisors (3964338143).

16562509345 is a wasteful number, since it uses less digits than its factorization.

16562509345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55800.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 16562509345 in words is "sixteen billion, five hundred sixty-two million, five hundred nine thousand, three hundred forty-five".