162832421 has 2 divisors, whose sum is σ = 162832422. Its totient is φ = 162832420.

The previous prime is 162832403. The next prime is 162832441. The reversal of 162832421 is 124238261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151536100 + 11296321 = 12310^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 162832421 - 2¹⁸ = 162570277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162832441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81416210 + 81416211.

It is an arithmetic number, because the mean of its divisors is an integer number (81416211).

Almost surely, 2^162832421 is an apocalyptic number.

It is an amenable number.

162832421 is a deficient number, since it is larger than the sum of its proper divisors (1).

162832421 is an equidigital number, since it uses as much as digits as its factorization.

162832421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 162832421 is about 12760.5807469723. The cubic root of 162832421 is about 546.0682926112.

The spelling of 162832421 in words is "one hundred sixty-two million, eight hundred thirty-two thousand, four hundred twenty-one".