16255809659 has 8 divisors (see below), whose sum is σ = 17421033120. Its totient is φ = 15128790336.

The previous prime is 16255809533. The next prime is 16255809679. The reversal of 16255809659 is 95690855261.

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

It is a cyclic number.

It is not a de Polignac number, because 16255809659 - 2²⁴ = 16239032443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16255809679) 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, 9550154 + ... + 9551855.

It is an arithmetic number, because the mean of its divisors is an integer number (2177629140).

Almost surely, 2^16255809659 is an apocalyptic number.

16255809659 is a deficient number, since it is larger than the sum of its proper divisors (1165223461).

16255809659 is a wasteful number, since it uses less digits than its factorization.

16255809659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19102069.

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 16255809659 in words is "sixteen billion, two hundred fifty-five million, eight hundred nine thousand, six hundred fifty-nine".