6537479180538 has 16 divisors (see below), whose sum is σ = 13074987182400. Its totient is φ = 2179154923296.

The previous prime is 6537479180513. The next prime is 6537479180581. The reversal of 6537479180538 is 8350819747356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745438 + ... + 4540086.

It is an arithmetic number, because the mean of its divisors is an integer number (817186698900).

Almost surely, 2^{6537479180538} is an apocalyptic number.

6537479180538 is an abundant number, since it is smaller than the sum of its proper divisors (6537508001862).

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

6537479180538 is a wasteful number, since it uses less digits than its factorization.

6537479180538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401781.

The product of its (nonzero) digits is 152409600, while the sum is 66.

The spelling of 6537479180538 in words is "six trillion, five hundred thirty-seven billion, four hundred seventy-nine million, one hundred eighty thousand, five hundred thirty-eight".