16366676573 has 4 divisors (see below), whose sum is σ = 17625651708. Its totient is φ = 15107701440.

The previous prime is 16366676539. The next prime is 16366676581. The reversal of 16366676573 is 37567666361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10152980644 + 6213695929 = 100762^2 + 78827^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16366676573 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 (16366676503) 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, 629487548 + ... + 629487573.

It is an arithmetic number, because the mean of its divisors is an integer number (4406412927).

Almost surely, 2^16366676573 is an apocalyptic number.

16366676573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16366676573 is a deficient number, since it is larger than the sum of its proper divisors (1258975135).

16366676573 is a wasteful number, since it uses less digits than its factorization.

16366676573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258975134.

The product of its digits is 17146080, while the sum is 56.

The spelling of 16366676573 in words is "sixteen billion, three hundred sixty-six million, six hundred seventy-six thousand, five hundred seventy-three".