16688923534 has 8 divisors (see below), whose sum is σ = 25037392248. Its totient is φ = 8343126120.

The previous prime is 16688923507. The next prime is 16688923541. The reversal of 16688923534 is 43532988661.

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

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 3 ways as a sum of consecutive naturals, for example, 652132 + ... + 677239.

It is an arithmetic number, because the mean of its divisors is an integer number (3129674031).

Almost surely, 2^16688923534 is an apocalyptic number.

16688923534 is a deficient number, since it is larger than the sum of its proper divisors (8348468714).

16688923534 is a wasteful number, since it uses less digits than its factorization.

16688923534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335650.

The product of its digits is 7464960, while the sum is 55.

The spelling of 16688923534 in words is "sixteen billion, six hundred eighty-eight million, nine hundred twenty-three thousand, five hundred thirty-four".