162664319 has 2 divisors, whose sum is σ = 162664320. Its totient is φ = 162664318.

The previous prime is 162664273. The next prime is 162664373. The reversal of 162664319 is 913466261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162664319 - 2⁸ = 162664063 is a prime.

It is a super-2 number, since 2×162664319² = 52919361351467522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162664379) 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, 81332159 + 81332160.

It is an arithmetic number, because the mean of its divisors is an integer number (81332160).

Almost surely, 2^162664319 is an apocalyptic number.

162664319 is a deficient number, since it is larger than the sum of its proper divisors (1).

162664319 is an equidigital number, since it uses as much as digits as its factorization.

162664319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 162664319 is about 12753.9922769304. The cubic root of 162664319 is about 545.8803145286.

The spelling of 162664319 in words is "one hundred sixty-two million, six hundred sixty-four thousand, three hundred nineteen".