6557066200199 has 4 divisors (see below), whose sum is σ = 6565797314400. Its totient is φ = 6548335086000.

The previous prime is 6557066200099. The next prime is 6557066200231. The reversal of 6557066200199 is 9910026607556.

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

It is a cyclic number.

It is not a de Polignac number, because 6557066200199 - 2²⁴ = 6557049422983 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 (6557066200099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4365555974 + ... + 4365557475.

It is an arithmetic number, because the mean of its divisors is an integer number (1641449328600).

Almost surely, 2^{6557066200199} is an apocalyptic number.

6557066200199 is a deficient number, since it is larger than the sum of its proper divisors (8731114201).

6557066200199 is an equidigital number, since it uses as much as digits as its factorization.

6557066200199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731114200.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 6557066200199 in words is "six trillion, five hundred fifty-seven billion, sixty-six million, two hundred thousand, one hundred ninety-nine".