16366393926197 has 8 divisors (see below), whose sum is σ = 18717594590976. Its totient is φ = 14018479358832.

The previous prime is 16366393926173. The next prime is 16366393926217. The reversal of 16366393926197 is 79162939366361.

It is a happy number.

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 16366393926197 - 2⁸ = 16366393925941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16366393926197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16366393923197) 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, 821513678 + ... + 821533599.

It is an arithmetic number, because the mean of its divisors is an integer number (2339699323872).

Almost surely, 2^{16366393926197} is an apocalyptic number.

It is an amenable number.

16366393926197 is a deficient number, since it is larger than the sum of its proper divisors (2351200664779).

16366393926197 is a wasteful number, since it uses less digits than its factorization.

16366393926197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643048707.

The product of its digits is 357128352, while the sum is 71.

The spelling of 16366393926197 in words is "sixteen trillion, three hundred sixty-six billion, three hundred ninety-three million, nine hundred twenty-six thousand, one hundred ninety-seven".