6611111660064 has 24 divisors (see below), whose sum is σ = 17354168107920. Its totient is φ = 2203703886656.

The previous prime is 6611111660017. The next prime is 6611111660107. The reversal of 6611111660064 is 4600661111166.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34432873134 + ... + 34432873325.

It is an arithmetic number, because the mean of its divisors is an integer number (723090337830).

Almost surely, 2^{6611111660064} is an apocalyptic number.

It is an amenable number.

6611111660064 is an abundant number, since it is smaller than the sum of its proper divisors (10743056447856).

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

6611111660064 is a wasteful number, since it uses less digits than its factorization.

6611111660064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68865746472 (or 68865746464 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 6611111660064 in words is "six trillion, six hundred eleven billion, one hundred eleven million, six hundred sixty thousand, sixty-four".