16330856345 has 16 divisors (see below), whose sum is σ = 21017672640. Its totient is φ = 12143536704.

The previous prime is 16330856317. The next prime is 16330856357. The reversal of 16330856345 is 54365803361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16330856345 - 2⁶ = 16330856281 is a prime.

It is a super-2 number, since 2×16330856345² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16330856296 and 16330856305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616699 + ... + 1626768.

It is an arithmetic number, because the mean of its divisors is an integer number (1313604540).

Almost surely, 2^16330856345 is an apocalyptic number.

It is an amenable number.

16330856345 is a deficient number, since it is larger than the sum of its proper divisors (4686816295).

16330856345 is a wasteful number, since it uses less digits than its factorization.

16330856345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243544.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 16330856345 in words is "sixteen billion, three hundred thirty million, eight hundred fifty-six thousand, three hundred forty-five".