162868919 has 2 divisors, whose sum is σ = 162868920. Its totient is φ = 162868918.

The previous prime is 162868903. The next prime is 162868939. The reversal of 162868919 is 919868261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162868919 - 2⁴ = 162868903 is a prime.

It is a super-2 number, since 2×162868919² = 53052569552457122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162868939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81434459 + 81434460.

It is an arithmetic number, because the mean of its divisors is an integer number (81434460).

Almost surely, 2^162868919 is an apocalyptic number.

162868919 is a deficient number, since it is larger than the sum of its proper divisors (1).

162868919 is an equidigital number, since it uses as much as digits as its factorization.

162868919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 50.

The square root of 162868919 is about 12762.0107741688. The cubic root of 162868919 is about 546.1090889741.

The spelling of 162868919 in words is "one hundred sixty-two million, eight hundred sixty-eight thousand, nine hundred nineteen".