16016065065 has 256 divisors, whose sum is σ = 39899381760. Its totient is φ = 5875752960.

The previous prime is 16016065003. The next prime is 16016065139. The reversal of 16016065065 is 56056061061.

It is not a de Polignac number, because 16016065065 - 2¹¹ = 16016063017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3105529 + ... + 3110681.

It is an arithmetic number, because the mean of its divisors is an integer number (155856960).

Almost surely, 2^16016065065 is an apocalyptic number.

16016065065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16016065065 is an abundant number, since it is smaller than the sum of its proper divisors (23883316695).

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

16016065065 is a wasteful number, since it uses less digits than its factorization.

16016065065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 16016065065 in words is "sixteen billion, sixteen million, sixty-five thousand, sixty-five".