6682696438064 has 160 divisors (see below), whose sum is σ = 13409741721600. Its totient is φ = 3224912486400.

The previous prime is 6682696438051. The next prime is 6682696438141. The reversal of 6682696438064 is 4608346962866.

It is a super-3 number, since 3×6682696438064³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6682696437985 and 6682696438003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8119922357 + ... + 8119923179.

It is an arithmetic number, because the mean of its divisors is an integer number (83810885760).

Almost surely, 2^{6682696438064} is an apocalyptic number.

It is an amenable number.

6682696438064 is an abundant number, since it is smaller than the sum of its proper divisors (6727045283536).

6682696438064 is a wasteful number, since it uses less digits than its factorization.

6682696438064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 68.

The spelling of 6682696438064 in words is "six trillion, six hundred eighty-two billion, six hundred ninety-six million, four hundred thirty-eight thousand, sixty-four".