8266142512 has 20 divisors (see below), whose sum is σ = 16406278056. Its totient is φ = 4032264320.

The previous prime is 8266142497. The next prime is 8266142519. The reversal of 8266142512 is 2152416628.

It is a super-2 number, since 2×8266142512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8266142519) 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 3 ways as a sum of consecutive naturals, for example, 6299758 + ... + 6301069.

Almost surely, 2^8266142512 is an apocalyptic number.

8266142512 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8266142512 is a deficient number, since it is larger than the sum of its proper divisors (8140135544).

8266142512 is a wasteful number, since it uses less digits than its factorization.

8266142512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600876 (or 12600870 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 8266142512 is about 90918.3288011829. The cubic root of 8266142512 is about 2021.9370459368.

The spelling of 8266142512 in words is "eight billion, two hundred sixty-six million, one hundred forty-two thousand, five hundred twelve".