6361172407720 has 256 divisors, whose sum is σ = 16338744576000. Its totient is φ = 2211914428416.

The previous prime is 6361172407679. The next prime is 6361172407721. The reversal of 6361172407720 is 277042711636.

It is not an unprimeable number, because it can be changed into a prime (6361172407721) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 490862601 + ... + 490875559.

It is an arithmetic number, because the mean of its divisors is an integer number (63823221000).

Almost surely, 2^{6361172407720} 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 6361172407720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8169372288000).

6361172407720 is an abundant number, since it is smaller than the sum of its proper divisors (9977572168280).

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

6361172407720 is a wasteful number, since it uses less digits than its factorization.

6361172407720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13812 (or 13808 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 6361172407720 in words is "six trillion, three hundred sixty-one billion, one hundred seventy-two million, four hundred seven thousand, seven hundred twenty".