12640163314 has 16 divisors (see below), whose sum is σ = 19988575488. Its totient is φ = 5982970752.

The previous prime is 12640163303. The next prime is 12640163351. The reversal of 12640163314 is 41336104621.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411962 + ... + 1420885.

It is an arithmetic number, because the mean of its divisors is an integer number (1249285968).

Almost surely, 2^12640163314 is an apocalyptic number.

12640163314 is a deficient number, since it is larger than the sum of its proper divisors (7348412174).

12640163314 is a wasteful number, since it uses less digits than its factorization.

12640163314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832969.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 12640163314 its reverse (41336104621), we get a palindrome (53976267935).

The spelling of 12640163314 in words is "twelve billion, six hundred forty million, one hundred sixty-three thousand, three hundred fourteen".