16505163334 has 16 divisors (see below), whose sum is σ = 27017303760. Its totient is φ = 7499887360.

The previous prime is 16505163317. The next prime is 16505163347. The reversal of 16505163334 is 43336150561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16505163293 and 16505163302.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 53479 + ... + 189394.

It is an arithmetic number, because the mean of its divisors is an integer number (1688581485).

Almost surely, 2^16505163334 is an apocalyptic number.

16505163334 is a deficient number, since it is larger than the sum of its proper divisors (10512140426).

16505163334 is a wasteful number, since it uses less digits than its factorization.

16505163334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245975.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 16505163334 in words is "sixteen billion, five hundred five million, one hundred sixty-three thousand, three hundred thirty-four".