16256675665 has 16 divisors (see below), whose sum is σ = 19598122368. Its totient is φ = 12945348736.

The previous prime is 16256675657. The next prime is 16256675707. The reversal of 16256675665 is 56657665261.

It is a cyclic number.

It is not a de Polignac number, because 16256675665 - 2³ = 16256675657 is a prime.

It is a Duffinian number.

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, 1880082 + ... + 1888708.

It is an arithmetic number, because the mean of its divisors is an integer number (1224882648).

Almost surely, 2^16256675665 is an apocalyptic number.

It is an amenable number.

16256675665 is a deficient number, since it is larger than the sum of its proper divisors (3341446703).

16256675665 is a wasteful number, since it uses less digits than its factorization.

16256675665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328.

The product of its digits is 13608000, while the sum is 55.

The spelling of 16256675665 in words is "sixteen billion, two hundred fifty-six million, six hundred seventy-five thousand, six hundred sixty-five".