6386748926976 has 132 divisors (see below), whose sum is σ = 20118108237864. Its totient is φ = 1935378432000.

The previous prime is 6386748926839. The next prime is 6386748926983. The reversal of 6386748926976 is 6796298476836.

6386748926976 is a `hidden beast` number, since 6 + 3 + 8 + 6 + 7 + 489 + 2 + 69 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (132).

It is a junction number, because it is equal to n+sod(n) for n = 6386748926895 and 6386748926904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31398925 + ... + 31601676.

Almost surely, 2^{6386748926976} is an apocalyptic number.

6386748926976 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6386748926976 is an abundant number, since it is smaller than the sum of its proper divisors (13731359310888).

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

6386748926976 is a wasteful number, since it uses less digits than its factorization.

6386748926976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63000638 (or 63000617 counting only the distinct ones).

The product of its digits is 7900913664, while the sum is 81.

The spelling of 6386748926976 in words is "six trillion, three hundred eighty-six billion, seven hundred forty-eight million, nine hundred twenty-six thousand, nine hundred seventy-six".