6540818533976 has 16 divisors (see below), whose sum is σ = 12271278742800. Its totient is φ = 3268477535904.

The previous prime is 6540818533961. The next prime is 6540818533999. The reversal of 6540818533976 is 6793358180456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241451996 + ... + 241479083.

It is an arithmetic number, because the mean of its divisors is an integer number (766954921425).

Almost surely, 2^{6540818533976} is an apocalyptic number.

It is an amenable number.

6540818533976 is a deficient number, since it is larger than the sum of its proper divisors (5730460208824).

6540818533976 is a wasteful number, since it uses less digits than its factorization.

6540818533976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482932778 (or 482932774 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 65.

The spelling of 6540818533976 in words is "six trillion, five hundred forty billion, eight hundred eighteen million, five hundred thirty-three thousand, nine hundred seventy-six".