14686864550146 has 16 divisors (see below), whose sum is σ = 22053814870680. Its totient is φ = 7335594040320.

The previous prime is 14686864550123. The next prime is 14686864550147. The reversal of 14686864550146 is 64105546868641.

It can be written as a sum of positive squares in 4 ways, for example, as 11572998451921 + 3113866098225 = 3401911^2 + 1764615^2 .

It is not an unprimeable number, because it can be changed into a prime (14686864550147) by changing a digit.

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, 26804286 + ... + 27346726.

Almost surely, 2^{14686864550146} is an apocalyptic number.

14686864550146 is a deficient number, since it is larger than the sum of its proper divisors (7366950320534).

14686864550146 is a wasteful number, since it uses less digits than its factorization.

14686864550146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556869.

The product of its (nonzero) digits is 132710400, while the sum is 64.

The spelling of 14686864550146 in words is "fourteen trillion, six hundred eighty-six billion, eight hundred sixty-four million, five hundred fifty thousand, one hundred forty-six".