16497903605 has 8 divisors (see below), whose sum is σ = 19982508192. Its totient is φ = 13074973648.

The previous prime is 16497903599. The next prime is 16497903607. The reversal of 16497903605 is 50630979461.

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 16497903605 - 2¹⁰ = 16497902581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16497903607) 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, 15418067 + ... + 15419136.

It is an arithmetic number, because the mean of its divisors is an integer number (2497813524).

Almost surely, 2^16497903605 is an apocalyptic number.

It is an amenable number.

16497903605 is a deficient number, since it is larger than the sum of its proper divisors (3484604587).

16497903605 is a wasteful number, since it uses less digits than its factorization.

16497903605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30837315.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 16497903605 in words is "sixteen billion, four hundred ninety-seven million, nine hundred three thousand, six hundred five".