8166420144331 has 8 divisors (see below), whose sum is σ = 8360881994304. Its totient is φ = 7973912685120.

The previous prime is 8166420144271. The next prime is 8166420144383. The reversal of 8166420144331 is 1334410246618.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8166420144331 is a prime.

It is a super-2 number, since 2×8166420144331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8166420141331) 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, 488589235 + ... + 488605948.

It is an arithmetic number, because the mean of its divisors is an integer number (1045110249288).

Almost surely, 2^{8166420144331} is an apocalyptic number.

8166420144331 is a deficient number, since it is larger than the sum of its proper divisors (194461849973).

8166420144331 is a wasteful number, since it uses less digits than its factorization.

8166420144331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977195381.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 8166420144331 in words is "eight trillion, one hundred sixty-six billion, four hundred twenty million, one hundred forty-four thousand, three hundred thirty-one".