16314381451 has 4 divisors (see below), whose sum is σ = 16329173472. Its totient is φ = 16299589432.

The previous prime is 16314381431. The next prime is 16314381467. The reversal of 16314381451 is 15418341361.

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

It is a cyclic number.

It is not a de Polignac number, because 16314381451 - 2²⁷ = 16180163723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16314381451.

It is not an unprimeable number, because it can be changed into a prime (16314381431) 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, 7394356 + ... + 7396561.

It is an arithmetic number, because the mean of its divisors is an integer number (4082293368).

Almost surely, 2^16314381451 is an apocalyptic number.

16314381451 is a deficient number, since it is larger than the sum of its proper divisors (14792021).

16314381451 is a wasteful number, since it uses less digits than its factorization.

16314381451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14792020.

The product of its digits is 34560, while the sum is 37.

The spelling of 16314381451 in words is "sixteen billion, three hundred fourteen million, three hundred eighty-one thousand, four hundred fifty-one".