6375715646064 has 40 divisors (see below), whose sum is σ = 16740608575632. Its totient is φ = 2090398571520.

The previous prime is 6375715646039. The next prime is 6375715646077. The reversal of 6375715646064 is 4606465175736.

It is a junction number, because it is equal to n+sod(n) for n = 6375715645989 and 6375715646007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1088746329 + ... + 1088752184.

Almost surely, 2^{6375715646064} is an apocalyptic number.

It is an amenable number.

6375715646064 is an abundant number, since it is smaller than the sum of its proper divisors (10364892929568).

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

6375715646064 is a wasteful number, since it uses less digits than its factorization.

6375715646064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177498585 (or 2177498579 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 60.

The spelling of 6375715646064 in words is "six trillion, three hundred seventy-five billion, seven hundred fifteen million, six hundred forty-six thousand, sixty-four".