16391883655 has 16 divisors (see below), whose sum is σ = 22502407680. Its totient is φ = 11229093792.

The previous prime is 16391883653. The next prime is 16391883679. The reversal of 16391883655 is 55638819361.

It is not a de Polignac number, because 16391883655 - 2¹ = 16391883653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16391883596 and 16391883605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16391883653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194139 + ... + 265468.

It is an arithmetic number, because the mean of its divisors is an integer number (1406400480).

Almost surely, 2^16391883655 is an apocalyptic number.

16391883655 is a deficient number, since it is larger than the sum of its proper divisors (6110524025).

16391883655 is a wasteful number, since it uses less digits than its factorization.

16391883655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460638.

The product of its digits is 4665600, while the sum is 55.

The spelling of 16391883655 in words is "sixteen billion, three hundred ninety-one million, eight hundred eighty-three thousand, six hundred fifty-five".