6537146844864 has 56 divisors (see below), whose sum is σ = 18206527407040. Its totient is φ = 2064362160384.

The previous prime is 6537146844853. The next prime is 6537146844889. The reversal of 6537146844864 is 4684486417356.

It is a junction number, because it is equal to n+sod(n) for n = 6537146844795 and 6537146844804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895986874 + ... + 895994169.

It is an arithmetic number, because the mean of its divisors is an integer number (325116560840).

Almost surely, 2^{6537146844864} is an apocalyptic number.

6537146844864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6537146844864 is an abundant number, since it is smaller than the sum of its proper divisors (11669380562176).

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

6537146844864 is a wasteful number, since it uses less digits than its factorization.

6537146844864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791981077 (or 1791981067 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 66.

The spelling of 6537146844864 in words is "six trillion, five hundred thirty-seven billion, one hundred forty-six million, eight hundred forty-four thousand, eight hundred sixty-four".