6382785180664 has 8 divisors (see below), whose sum is σ = 11967722213760. Its totient is φ = 3191392590328.

The previous prime is 6382785180623. The next prime is 6382785180689. The reversal of 6382785180664 is 4660815872836.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6382785180664² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6382785180596 and 6382785180605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398924073784 + ... + 398924073799.

It is an arithmetic number, because the mean of its divisors is an integer number (1495965276720).

Almost surely, 2^{6382785180664} is an apocalyptic number.

It is an amenable number.

6382785180664 is a deficient number, since it is larger than the sum of its proper divisors (5584937033096).

6382785180664 is a wasteful number, since it uses less digits than its factorization.

6382785180664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797848147589 (or 797848147585 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 6382785180664 in words is "six trillion, three hundred eighty-two billion, seven hundred eighty-five million, one hundred eighty thousand, six hundred sixty-four".