14691878650066 has 16 divisors (see below), whose sum is σ = 22412338531200. Its totient is φ = 7221110231088.

The previous prime is 14691878650039. The next prime is 14691878650087. The reversal of 14691878650066 is 66005687819641.

It is a junction number, because it is equal to n+sod(n) for n = 14691878649983 and 14691878650010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101481 + ... + 5421628.

It is an arithmetic number, because the mean of its divisors is an integer number (1400771158200).

Almost surely, 2^{14691878650066} is an apocalyptic number.

14691878650066 is a deficient number, since it is larger than the sum of its proper divisors (7720459881134).

14691878650066 is a wasteful number, since it uses less digits than its factorization.

14691878650066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545713.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 14691878650066 in words is "fourteen trillion, six hundred ninety-one billion, eight hundred seventy-eight million, six hundred fifty thousand, sixty-six".