8128660014 has 16 divisors (see below), whose sum is σ = 18063689040. Its totient is φ = 2709553320.

The previous prime is 8128660003. The next prime is 8128660021. The reversal of 8128660014 is 4100668218.

It is a super-2 number, since 2×8128660014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 75265317 + ... + 75265424.

It is an arithmetic number, because the mean of its divisors is an integer number (1128980565).

Almost surely, 2^8128660014 is an apocalyptic number.

8128660014 is an abundant number, since it is smaller than the sum of its proper divisors (9935029026).

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

8128660014 is a wasteful number, since it uses less digits than its factorization.

8128660014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150530752 (or 150530746 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 8128660014 is about 90159.0817056163. The cubic root of 8128660014 is about 2010.6646988527.

The spelling of 8128660014 in words is "eight billion, one hundred twenty-eight million, six hundred sixty thousand, fourteen".