191416067233 has 4 divisors (see below), whose sum is σ = 192216971520. Its totient is φ = 190615162948.

The previous prime is 191416067197. The next prime is 191416067299. The reversal of 191416067233 is 332760614191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332760614191 = 31 ⋅10734213361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191416067233 is a prime.

It is a super-2 number, since 2×191416067233² (a number of 23 digits) contains 22 as substring.

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 191416067233.

It is not an unprimeable number, because it can be changed into a prime (191416047233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400451785 + ... + 400452262.

It is an arithmetic number, because the mean of its divisors is an integer number (48054242880).

Almost surely, 2^191416067233 is an apocalyptic number.

It is an amenable number.

191416067233 is a deficient number, since it is larger than the sum of its proper divisors (800904287).

191416067233 is an equidigital number, since it uses as much as digits as its factorization.

191416067233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800904286.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 191416067233 in words is "one hundred ninety-one billion, four hundred sixteen million, sixty-seven thousand, two hundred thirty-three".