14166472321 has 4 divisors (see below), whose sum is σ = 14169021700. Its totient is φ = 14163922944.

The previous prime is 14166472301. The next prime is 14166472337. The reversal of 14166472321 is 12327466141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12327466141 = 24473 ⋅503717.

It can be written as a sum of positive squares in 2 ways, for example, as 5430953025 + 8735519296 = 73695^2 + 93464^2 .

It is a cyclic number.

It is not a de Polignac number, because 14166472321 - 2³¹ = 12018988673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14166472301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266336 + ... + 1277473.

It is an arithmetic number, because the mean of its divisors is an integer number (3542255425).

Almost surely, 2^14166472321 is an apocalyptic number.

It is an amenable number.

14166472321 is a deficient number, since it is larger than the sum of its proper divisors (2549379).

14166472321 is an equidigital number, since it uses as much as digits as its factorization.

14166472321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549378.

The product of its digits is 48384, while the sum is 37.

The spelling of 14166472321 in words is "fourteen billion, one hundred sixty-six million, four hundred seventy-two thousand, three hundred twenty-one".