6557600632673 has 4 divisors (see below), whose sum is σ = 6559413630660. Its totient is φ = 6555787634688.

The previous prime is 6557600632643. The next prime is 6557600632697. The reversal of 6557600632673 is 3762360067556.

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 934688704849 + 5622911927824 = 966793^2 + 2371268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6557600632673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6557600632643) 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, 906493568 + ... + 906500801.

It is an arithmetic number, because the mean of its divisors is an integer number (1639853407665).

Almost surely, 2^{6557600632673} is an apocalyptic number.

It is an amenable number.

6557600632673 is a deficient number, since it is larger than the sum of its proper divisors (1812997987).

6557600632673 is a wasteful number, since it uses less digits than its factorization.

6557600632673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812997986.

The product of its (nonzero) digits is 28576800, while the sum is 56.

The spelling of 6557600632673 in words is "six trillion, five hundred fifty-seven billion, six hundred million, six hundred thirty-two thousand, six hundred seventy-three".