6415687966336 has 64 divisors (see below), whose sum is σ = 13963783116960. Its totient is φ = 2911913804800.

The previous prime is 6415687966321. The next prime is 6415687966339. The reversal of 6415687966336 is 6336697865146.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×6415687966336² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6415687966339) 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, 2412070 + ... + 4318501.

Almost surely, 2^{6415687966336} is an apocalyptic number.

It is an amenable number.

6415687966336 is an abundant number, since it is smaller than the sum of its proper divisors (7548095150624).

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

6415687966336 is a wasteful number, since it uses less digits than its factorization.

6415687966336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731273 (or 6731261 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 70.

The spelling of 6415687966336 in words is "six trillion, four hundred fifteen billion, six hundred eighty-seven million, nine hundred sixty-six thousand, three hundred thirty-six".