8718143516 has 12 divisors (see below), whose sum is σ = 15748904640. Its totient is φ = 4218456480.

The previous prime is 8718143503. The next prime is 8718143519. The reversal of 8718143516 is 6153418178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8718143519) 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, 35153681 + ... + 35153928.

It is an arithmetic number, because the mean of its divisors is an integer number (1312408720).

Almost surely, 2^8718143516 is an apocalyptic number.

It is an amenable number.

8718143516 is a deficient number, since it is larger than the sum of its proper divisors (7030761124).

8718143516 is a wasteful number, since it uses less digits than its factorization.

8718143516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70307644 (or 70307642 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 8718143516 is about 93370.9993306273. Note that the first 3 decimals coincide. The cubic root of 8718143516 is about 2058.1388534697.

The spelling of 8718143516 in words is "eight billion, seven hundred eighteen million, one hundred forty-three thousand, five hundred sixteen".