2016343451 has 4 divisors (see below), whose sum is σ = 2016483672. Its totient is φ = 2016203232.

The previous prime is 2016343423. The next prime is 2016343457. The reversal of 2016343451 is 1543436102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2016343451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016343457) 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 3 ways as a sum of consecutive naturals, for example, 45710 + ... + 78243.

It is an arithmetic number, because the mean of its divisors is an integer number (504120918).

Almost surely, 2^2016343451 is an apocalyptic number.

2016343451 is a deficient number, since it is larger than the sum of its proper divisors (140221).

2016343451 is a wasteful number, since it uses less digits than its factorization.

2016343451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140220.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2016343451 is about 44903.7131092742. The cubic root of 2016343451 is about 1263.3436535537.

Adding to 2016343451 its reverse (1543436102), we get a palindrome (3559779553).

The spelling of 2016343451 in words is "two billion, sixteen million, three hundred forty-three thousand, four hundred fifty-one".