201216916195 has 16 divisors (see below), whose sum is σ = 244897709472. Its totient is φ = 158695609600.

The previous prime is 201216916193. The next prime is 201216916253. The reversal of 201216916195 is 591619612102.

It is not a de Polignac number, because 201216916195 - 2¹ = 201216916193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201216916193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737377 + ... + 972706.

It is an arithmetic number, because the mean of its divisors is an integer number (15306106842).

Almost surely, 2^201216916195 is an apocalyptic number.

201216916195 is a deficient number, since it is larger than the sum of its proper divisors (43680793277).

201216916195 is a wasteful number, since it uses less digits than its factorization.

201216916195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710422.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 201216916195 in words is "two hundred one billion, two hundred sixteen million, nine hundred sixteen thousand, one hundred ninety-five".