16676411545 has 16 divisors (see below), whose sum is σ = 21705658128. Its totient is φ = 12250101760.

The previous prime is 16676411539. The next prime is 16676411551. The reversal of 16676411545 is 54511467661.

It is an interprime number because it is at equal distance from previous prime (16676411539) and next prime (16676411551).

It can be written as a sum of positive squares in 8 ways, for example, as 27154521 + 16649257024 = 5211^2 + 129032^2 .

It is not a de Polignac number, because 16676411545 - 2¹⁵ = 16676378777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16676411495 and 16676411504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389114 + ... + 2396083.

It is an arithmetic number, because the mean of its divisors is an integer number (1356603633).

Almost surely, 2^16676411545 is an apocalyptic number.

It is an amenable number.

16676411545 is a deficient number, since it is larger than the sum of its proper divisors (5029246583).

16676411545 is a wasteful number, since it uses less digits than its factorization.

16676411545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785260.

The product of its digits is 604800, while the sum is 46.

The spelling of 16676411545 in words is "sixteen billion, six hundred seventy-six million, four hundred eleven thousand, five hundred forty-five".