16201217199 has 24 divisors (see below), whose sum is σ = 22655393712. Its totient is φ = 10292177280.

The previous prime is 16201217189. The next prime is 16201217237. The reversal of 16201217199 is 99171210261.

It is not a de Polignac number, because 16201217199 - 2⁵ = 16201217167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201217189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191809 + ... + 263045.

It is an arithmetic number, because the mean of its divisors is an integer number (943974738).

Almost surely, 2^16201217199 is an apocalyptic number.

16201217199 is a deficient number, since it is larger than the sum of its proper divisors (6454176513).

16201217199 is an equidigital number, since it uses as much as digits as its factorization.

16201217199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71367 (or 71324 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 16201217199 in words is "sixteen billion, two hundred one million, two hundred seventeen thousand, one hundred ninety-nine".