14724220840066 has 4 divisors (see below), whose sum is σ = 22086331260102. Its totient is φ = 7362110420032.

The previous prime is 14724220840061. The next prime is 14724220840139. The reversal of 14724220840066 is 66004802242741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8650780970841 + 6073439869225 = 2941221^2 + 2464435^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14724220839998 and 14724220840025.

It is not an unprimeable number, because it can be changed into a prime (14724220840061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3681055210015 + ... + 3681055210018.

Almost surely, 2^{14724220840066} is an apocalyptic number.

14724220840066 is a deficient number, since it is larger than the sum of its proper divisors (7362110420036).

14724220840066 is an equidigital number, since it uses as much as digits as its factorization.

14724220840066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362110420035.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 14724220840066 in words is "fourteen trillion, seven hundred twenty-four billion, two hundred twenty million, eight hundred forty thousand, sixty-six".