6511066160646 has 8 divisors (see below), whose sum is σ = 13022132321304. Its totient is φ = 2170355386880.

The previous prime is 6511066160623. The next prime is 6511066160671. The reversal of 6511066160646 is 6460616601156.

It is a sphenic number, since it is the product of 3 distinct primes.

6511066160646 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6511066160595 and 6511066160604.

It is a congruent number.

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, 542588846715 + ... + 542588846726.

It is an arithmetic number, because the mean of its divisors is an integer number (1627766540163).

Almost surely, 2^{6511066160646} is an apocalyptic number.

6511066160646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6511066160646 is a wasteful number, since it uses less digits than its factorization.

6511066160646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085177693446.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 6511066160646 in words is "six trillion, five hundred eleven billion, sixty-six million, one hundred sixty thousand, six hundred forty-six".