2146164851 has 2 divisors, whose sum is σ = 2146164852. Its totient is φ = 2146164850.

The previous prime is 2146164841. The next prime is 2146164877. The reversal of 2146164851 is 1584616412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2146164851 - 2¹⁴ = 2146148467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146164841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073082425 + 1073082426.

It is an arithmetic number, because the mean of its divisors is an integer number (1073082426).

Almost surely, 2^2146164851 is an apocalyptic number.

2146164851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146164851 is an equidigital number, since it uses as much as digits as its factorization.

2146164851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 2146164851 is about 46326.7185434065. The cubic root of 2146164851 is about 1289.8949999668.

The spelling of 2146164851 in words is "two billion, one hundred forty-six million, one hundred sixty-four thousand, eight hundred fifty-one".