851166063143 has 4 divisors (see below), whose sum is σ = 928544796168. Its totient is φ = 773787330120.

The previous prime is 851166063119. The next prime is 851166063161. The reversal of 851166063143 is 341360661158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 851166063143 - 2¹⁸ = 851165800999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 851166063094 and 851166063103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851165063143) 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, 38689366496 + ... + 38689366517.

It is an arithmetic number, because the mean of its divisors is an integer number (232136199042).

Almost surely, 2^851166063143 is an apocalyptic number.

851166063143 is a deficient number, since it is larger than the sum of its proper divisors (77378733025).

851166063143 is a wasteful number, since it uses less digits than its factorization.

851166063143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77378733024.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 851166063143 in words is "eight hundred fifty-one billion, one hundred sixty-six million, sixty-three thousand, one hundred forty-three".