16309596861 has 64 divisors (see below), whose sum is σ = 25759641600. Its totient is φ = 10177244352.

The previous prime is 16309596851. The next prime is 16309596881. The reversal of 16309596861 is 16869590361.

16309596861 is a `hidden beast` number, since 16 + 30 + 9 + 596 + 8 + 6 + 1 = 666.

16309596861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16309596861 - 2¹⁷ = 16309465789 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16309596798 and 16309596807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309596811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5616736 + ... + 5619638.

It is an arithmetic number, because the mean of its divisors is an integer number (402494400).

Almost surely, 2^16309596861 is an apocalyptic number.

It is an amenable number.

16309596861 is a deficient number, since it is larger than the sum of its proper divisors (9450044739).

16309596861 is a wasteful number, since it uses less digits than its factorization.

16309596861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 16309596861 in words is "sixteen billion, three hundred nine million, five hundred ninety-six thousand, eight hundred sixty-one".