8671156512 has 48 divisors (see below), whose sum is σ = 22859534880. Its totient is φ = 2877972992.

The previous prime is 8671156511. The next prime is 8671156517. The reversal of 8671156512 is 2156511768.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8671156512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8671156511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171462 + ... + 216197.

It is an arithmetic number, because the mean of its divisors is an integer number (476240310).

Almost surely, 2^8671156512 is an apocalyptic number.

It is an amenable number.

8671156512 is an abundant number, since it is smaller than the sum of its proper divisors (14188378368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8671156512 is a wasteful number, since it uses less digits than its factorization.

8671156512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387905 (or 387897 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 8671156512 is about 93119.0448404621. The cubic root of 8671156512 is about 2054.4346996182.

The spelling of 8671156512 in words is "eight billion, six hundred seventy-one million, one hundred fifty-six thousand, five hundred twelve".