16676450533 has 4 divisors (see below), whose sum is σ = 17064275008. Its totient is φ = 16288626060.

The previous prime is 16676450503. The next prime is 16676450573. The reversal of 16676450533 is 33505467661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33505467661 = 181 ⋅185113081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16676450533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16676450503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193912173 + ... + 193912258.

It is an arithmetic number, because the mean of its divisors is an integer number (4266068752).

Almost surely, 2^16676450533 is an apocalyptic number.

It is an amenable number.

16676450533 is a deficient number, since it is larger than the sum of its proper divisors (387824475).

16676450533 is an equidigital number, since it uses as much as digits as its factorization.

16676450533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387824474.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 16676450533 in words is "sixteen billion, six hundred seventy-six million, four hundred fifty thousand, five hundred thirty-three".