64156818114 has 24 divisors (see below), whose sum is σ = 139038054012. Its totient is φ = 21380742240.

The previous prime is 64156818113. The next prime is 64156818119. The reversal of 64156818114 is 41181865146.

64156818114 is a `hidden beast` number, since 6 + 4 + 1 + 568 + 1 + 81 + 1 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60679946889 + 3476871225 = 246333^2 + 58965^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64156818114.

It is not an unprimeable number, because it can be changed into a prime (64156818113) 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 11 ways as a sum of consecutive naturals, for example, 323529 + ... + 482684.

Almost surely, 2^64156818114 is an apocalyptic number.

64156818114 is an abundant number, since it is smaller than the sum of its proper divisors (74881235898).

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

64156818114 is a wasteful number, since it uses less digits than its factorization.

64156818114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810642 (or 810639 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The spelling of 64156818114 in words is "sixty-four billion, one hundred fifty-six million, eight hundred eighteen thousand, one hundred fourteen".