83416668191 has 8 divisors (see below), whose sum is σ = 83615569440. Its totient is φ = 83217881088.

The previous prime is 83416668187. The next prime is 83416668211. The reversal of 83416668191 is 19186661438.

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 83416668191 - 2² = 83416668187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83416658191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536095 + ... + 1589471.

It is an arithmetic number, because the mean of its divisors is an integer number (10451946180).

Almost surely, 2^83416668191 is an apocalyptic number.

83416668191 is a deficient number, since it is larger than the sum of its proper divisors (198901249).

83416668191 is a wasteful number, since it uses less digits than its factorization.

83416668191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57073.

The product of its digits is 1492992, while the sum is 53.

The spelling of 83416668191 in words is "eighty-three billion, four hundred sixteen million, six hundred sixty-eight thousand, one hundred ninety-one".