16065908709 has 8 divisors (see below), whose sum is σ = 21825385632. Its totient is φ = 10508518800.

The previous prime is 16065908659. The next prime is 16065908731. The reversal of 16065908709 is 90780956061.

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

It is not a de Polignac number, because 16065908709 - 2¹⁵ = 16065875941 is a prime.

It is a super-2 number, since 2×16065908709² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065908609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50521567 + ... + 50521884.

It is an arithmetic number, because the mean of its divisors is an integer number (2728173204).

Almost surely, 2^16065908709 is an apocalyptic number.

It is an amenable number.

16065908709 is a deficient number, since it is larger than the sum of its proper divisors (5759476923).

16065908709 is a wasteful number, since it uses less digits than its factorization.

16065908709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101043507.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 16065908709 in words is "sixteen billion, sixty-five million, nine hundred eight thousand, seven hundred nine".