65016566000 has 40 divisors (see below), whose sum is σ = 157210061424. Its totient is φ = 26006625600.

The previous prime is 65016565997. The next prime is 65016566059. The reversal of 65016566000 is 66561056.

It is a tau number, because it is divible by the number of its divisors (40).

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, 16252142 + ... + 16256141.

Almost surely, 2^65016566000 is an apocalyptic number.

It is an amenable number.

65016566000 is an abundant number, since it is smaller than the sum of its proper divisors (92193495424).

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

65016566000 is a wasteful number, since it uses less digits than its factorization.

65016566000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32508306 (or 32508290 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 65016566000 in words is "sixty-five billion, sixteen million, five hundred sixty-six thousand".