16226318907686 has 8 divisors (see below), whose sum is σ = 24612955646760. Its totient is φ = 8022000358768.

The previous prime is 16226318907641. The next prime is 16226318907697. The reversal of 16226318907686 is 68670981362261.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45579547316 + ... + 45579547671.

It is an arithmetic number, because the mean of its divisors is an integer number (3076619455845).

Almost surely, 2^{16226318907686} is an apocalyptic number.

16226318907686 is a deficient number, since it is larger than the sum of its proper divisors (8386636739074).

16226318907686 is an equidigital number, since it uses as much as digits as its factorization.

16226318907686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91159095078.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 16226318907686 in words is "sixteen trillion, two hundred twenty-six billion, three hundred eighteen million, nine hundred seven thousand, six hundred eighty-six".