16684734346 has 32 divisors (see below), whose sum is σ = 28736410752. Its totient is φ = 7117156800.

The previous prime is 16684734329. The next prime is 16684734349. The reversal of 16684734346 is 64343748661.

It is a junction number, because it is equal to n+sod(n) for n = 16684734293 and 16684734302.

It is not an unprimeable number, because it can be changed into a prime (16684734349) 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, 5043625 + ... + 5046931.

It is an arithmetic number, because the mean of its divisors is an integer number (898012836).

Almost surely, 2^16684734346 is an apocalyptic number.

16684734346 is a deficient number, since it is larger than the sum of its proper divisors (12051676406).

16684734346 is a wasteful number, since it uses less digits than its factorization.

16684734346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its digits is 6967296, while the sum is 52.

The spelling of 16684734346 in words is "sixteen billion, six hundred eighty-four million, seven hundred thirty-four thousand, three hundred forty-six".