16194222001 has 8 divisors (see below), whose sum is σ = 16493211360. Its totient is φ = 15896049792.

The previous prime is 16194221977. The next prime is 16194222013. The reversal of 16194222001 is 10022249161.

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

It is a cyclic number.

It is not a de Polignac number, because 16194222001 - 2⁵ = 16194221969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16194220001) 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, 164215 + ... + 243628.

It is an arithmetic number, because the mean of its divisors is an integer number (2061651420).

Almost surely, 2^16194222001 is an apocalyptic number.

It is an amenable number.

16194222001 is a deficient number, since it is larger than the sum of its proper divisors (298989359).

16194222001 is an equidigital number, since it uses as much as digits as its factorization.

16194222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408575.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 16194222001 in words is "sixteen billion, one hundred ninety-four million, two hundred twenty-two thousand, one".