6668315495534 has 32 divisors (see below), whose sum is σ = 12479699137536. Its totient is φ = 2596152676320.

The previous prime is 6668315495533. The next prime is 6668315495627. The reversal of 6668315495534 is 4355945138666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668315495533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15557222 + ... + 15980105.

It is an arithmetic number, because the mean of its divisors is an integer number (389990598048).

Almost surely, 2^{6668315495534} is an apocalyptic number.

6668315495534 is a deficient number, since it is larger than the sum of its proper divisors (5811383642002).

6668315495534 is a wasteful number, since it uses less digits than its factorization.

6668315495534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31538720.

The product of its digits is 279936000, while the sum is 65.

The spelling of 6668315495534 in words is "six trillion, six hundred sixty-eight billion, three hundred fifteen million, four hundred ninety-five thousand, five hundred thirty-four".