164216822 has 16 divisors (see below), whose sum is σ = 307107072. Its totient is φ = 63980520.

The previous prime is 164216813. The next prime is 164216851. The reversal of 164216822 is 228612461.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 533018 + ... + 533325.

It is an arithmetic number, because the mean of its divisors is an integer number (19194192).

Almost surely, 2^164216822 is an apocalyptic number.

164216822 is a deficient number, since it is larger than the sum of its proper divisors (142890250).

164216822 is a wasteful number, since it uses less digits than its factorization.

164216822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066363.

The product of its digits is 9216, while the sum is 32.

The square root of 164216822 is about 12814.7111555431. The cubic root of 164216822 is about 547.6114847027.

The spelling of 164216822 in words is "one hundred sixty-four million, two hundred sixteen thousand, eight hundred twenty-two".