16788047617 has 8 divisors (see below), whose sum is σ = 18333584352. Its totient is φ = 15245736000.

The previous prime is 16788047611. The next prime is 16788047671. The reversal of 16788047617 is 71674088761.

It is a happy number.

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

It is not a de Polignac number, because 16788047617 - 2¹⁵ = 16788014849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16788047611) 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, 795384 + ... + 816217.

It is an arithmetic number, because the mean of its divisors is an integer number (2291698044).

Almost surely, 2^16788047617 is an apocalyptic number.

It is an amenable number.

16788047617 is a deficient number, since it is larger than the sum of its proper divisors (1545536735).

16788047617 is a wasteful number, since it uses less digits than its factorization.

16788047617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612559.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 16788047617 in words is "sixteen billion, seven hundred eighty-eight million, forty-seven thousand, six hundred seventeen".