162340847 has 2 divisors, whose sum is σ = 162340848. Its totient is φ = 162340846.

The previous prime is 162340777. The next prime is 162340859. The reversal of 162340847 is 748043261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162340847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162340897) 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 as a sum of consecutive naturals, namely, 81170423 + 81170424.

It is an arithmetic number, because the mean of its divisors is an integer number (81170424).

Almost surely, 2^162340847 is an apocalyptic number.

162340847 is a deficient number, since it is larger than the sum of its proper divisors (1).

162340847 is an equidigital number, since it uses as much as digits as its factorization.

162340847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 162340847 is about 12741.3047605024. The cubic root of 162340847 is about 545.5182310800.

The spelling of 162340847 in words is "one hundred sixty-two million, three hundred forty thousand, eight hundred forty-seven".