16684250018426 has 16 divisors (see below), whose sum is σ = 25653869407584. Its totient is φ = 8133649392624.

The previous prime is 16684250018389. The next prime is 16684250018431. The reversal of 16684250018426 is 62481005248661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172245461 + ... + 172342296.

It is an arithmetic number, because the mean of its divisors is an integer number (1603366837974).

Almost surely, 2^{16684250018426} is an apocalyptic number.

16684250018426 is a deficient number, since it is larger than the sum of its proper divisors (8969619389158).

16684250018426 is a wasteful number, since it uses less digits than its factorization.

16684250018426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344588365.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 16684250018426 in words is "sixteen trillion, six hundred eighty-four billion, two hundred fifty million, eighteen thousand, four hundred twenty-six".