6549599120204 has 48 divisors (see below), whose sum is σ = 13156769472000. Its totient is φ = 2794646969856.

The previous prime is 6549599120203. The next prime is 6549599120257. The reversal of 6549599120204 is 4020219959456.

It is a self number, because there is not a number n which added to its sum of digits gives 6549599120204.

It is not an unprimeable number, because it can be changed into a prime (6549599120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12249692 + ... + 12773180.

It is an arithmetic number, because the mean of its divisors is an integer number (274099364000).

Almost surely, 2^{6549599120204} is an apocalyptic number.

It is an amenable number.

6549599120204 is an abundant number, since it is smaller than the sum of its proper divisors (6607170351796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6549599120204 is a wasteful number, since it uses less digits than its factorization.

6549599120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525462 (or 525460 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 6549599120204 in words is "six trillion, five hundred forty-nine billion, five hundred ninety-nine million, one hundred twenty thousand, two hundred four".