16677325646005 has 16 divisors (see below), whose sum is σ = 20058013638000. Its totient is φ = 13311713873920.

The previous prime is 16677325645961. The next prime is 16677325646083. The reversal of 16677325646005 is 50064652377661.

It can be written as a sum of positive squares in 8 ways, for example, as 3242527692804 + 13434797953201 = 1800702^2 + 3665351^2 .

It is not a de Polignac number, because 16677325646005 - 2⁹ = 16677325645493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81321495 + ... + 81526315.

It is an arithmetic number, because the mean of its divisors is an integer number (1253625852375).

Almost surely, 2^{16677325646005} is an apocalyptic number.

It is an amenable number.

16677325646005 is a deficient number, since it is larger than the sum of its proper divisors (3380687991995).

16677325646005 is a wasteful number, since it uses less digits than its factorization.

16677325646005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241544.

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 16677325646005 in words is "sixteen trillion, six hundred seventy-seven billion, three hundred twenty-five million, six hundred forty-six thousand, five".