8166420144347 has 8 divisors (see below), whose sum is σ = 8191966705776. Its totient is φ = 8140885148032.

The previous prime is 8166420144271. The next prime is 8166420144383. The reversal of 8166420144347 is 7434410246618.

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 8166420144347 - 2²⁶ = 8166353035483 is a prime.

It is a super-3 number, since 3×8166420144347³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8166420144295 and 8166420144304.

It is not an unprimeable number, because it can be changed into a prime (8166420144397) 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, 1475738 + ... + 4302399.

It is an arithmetic number, because the mean of its divisors is an integer number (1023995838222).

Almost surely, 2^{8166420144347} is an apocalyptic number.

8166420144347 is a deficient number, since it is larger than the sum of its proper divisors (25546561429).

8166420144347 is a wasteful number, since it uses less digits than its factorization.

8166420144347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782557.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 8166420144347 in words is "eight trillion, one hundred sixty-six billion, four hundred twenty million, one hundred forty-four thousand, three hundred forty-seven".