6396140375616 has 168 divisors, whose sum is σ = 17222941212672. Its totient is φ = 2094920755200.

The previous prime is 6396140375593. The next prime is 6396140375623. The reversal of 6396140375616 is 6165730416936.

It is a super-2 number, since 2×6396140375616² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780870081 + ... + 780878271.

Almost surely, 2^{6396140375616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6396140375616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8611470606336).

6396140375616 is an abundant number, since it is smaller than the sum of its proper divisors (10826800837056).

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

6396140375616 is a wasteful number, since it uses less digits than its factorization.

6396140375616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 6396140375616 in words is "six trillion, three hundred ninety-six billion, one hundred forty million, three hundred seventy-five thousand, six hundred sixteen".