6511650065016 has 32 divisors (see below), whose sum is σ = 16282309338960. Its totient is φ = 2170125464832.

The previous prime is 6511650064999. The next prime is 6511650065021. The reversal of 6511650065016 is 6105600561156.

It is a congruent number.

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, 26409535 + ... + 26654958.

Almost surely, 2^{6511650065016} is an apocalyptic number.

It is an amenable number.

6511650065016 is an abundant number, since it is smaller than the sum of its proper divisors (9770659273944).

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

6511650065016 is a wasteful number, since it uses less digits than its factorization.

6511650065016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53069615 (or 53069611 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 6511650065016 in words is "six trillion, five hundred eleven billion, six hundred fifty million, sixty-five thousand, sixteen".