164215283 has 2 divisors, whose sum is σ = 164215284. Its totient is φ = 164215282.

The previous prime is 164215279. The next prime is 164215301. The reversal of 164215283 is 382512461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164215283 - 2² = 164215279 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (164215243) 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, 82107641 + 82107642.

It is an arithmetic number, because the mean of its divisors is an integer number (82107642).

Almost surely, 2^164215283 is an apocalyptic number.

164215283 is a deficient number, since it is larger than the sum of its proper divisors (1).

164215283 is an equidigital number, since it uses as much as digits as its factorization.

164215283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 164215283 is about 12814.6511072288. The cubic root of 164215283 is about 547.6097740036.

The spelling of 164215283 in words is "one hundred sixty-four million, two hundred fifteen thousand, two hundred eighty-three".