6181338569064 has 32 divisors (see below), whose sum is σ = 15465839097120. Its totient is φ = 2058780499776.

The previous prime is 6181338569009. The next prime is 6181338569093. The reversal of 6181338569064 is 4609658331816.

It is a junction number, because it is equal to n+sod(n) for n = 6181338568989 and 6181338569007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104075314 + ... + 104134689.

It is an arithmetic number, because the mean of its divisors is an integer number (483307471785).

Almost surely, 2^{6181338569064} is an apocalyptic number.

It is an amenable number.

6181338569064 is an abundant number, since it is smaller than the sum of its proper divisors (9284500528056).

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

6181338569064 is a wasteful number, since it uses less digits than its factorization.

6181338569064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208211249 (or 208211245 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 6181338569064 in words is "six trillion, one hundred eighty-one billion, three hundred thirty-eight million, five hundred sixty-nine thousand, sixty-four".