8164171218814 has 8 divisors (see below), whose sum is σ = 13188276584280. Its totient is φ = 3768079024056.

The previous prime is 8164171218761. The next prime is 8164171218857. The reversal of 8164171218814 is 4188121714618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8164171218814² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157003292644 + ... + 157003292695.

It is an arithmetic number, because the mean of its divisors is an integer number (1648534573035).

Almost surely, 2^{8164171218814} is an apocalyptic number.

8164171218814 is a deficient number, since it is larger than the sum of its proper divisors (5024105365466).

8164171218814 is a wasteful number, since it uses less digits than its factorization.

8164171218814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314006585354.

The product of its digits is 688128, while the sum is 52.

The spelling of 8164171218814 in words is "eight trillion, one hundred sixty-four billion, one hundred seventy-one million, two hundred eighteen thousand, eight hundred fourteen".