6487507226818 has 16 divisors (see below), whose sum is σ = 9806503623840. Its totient is φ = 3218697608256.

The previous prime is 6487507226773. The next prime is 6487507226819. The reversal of 6487507226818 is 8186227057846.

It is a self number, because there is not a number n which added to its sum of digits gives 6487507226818.

It is not an unprimeable number, because it can be changed into a prime (6487507226819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5708980 + ... + 6750367.

It is an arithmetic number, because the mean of its divisors is an integer number (612906476490).

Almost surely, 2^{6487507226818} is an apocalyptic number.

6487507226818 is a deficient number, since it is larger than the sum of its proper divisors (3318996397022).

6487507226818 is a wasteful number, since it uses less digits than its factorization.

6487507226818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12461361.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 6487507226818 in words is "six trillion, four hundred eighty-seven billion, five hundred seven million, two hundred twenty-six thousand, eight hundred eighteen".