1664124422 has 16 divisors (see below), whose sum is σ = 2544886512. Its totient is φ = 815848800.

The previous prime is 1664124421. The next prime is 1664124437. The reversal of 1664124422 is 2244214661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664124421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206672 + ... + 214572.

It is an arithmetic number, because the mean of its divisors is an integer number (159055407).

Almost surely, 2^1664124422 is an apocalyptic number.

1664124422 is a deficient number, since it is larger than the sum of its proper divisors (880762090).

1664124422 is a wasteful number, since it uses less digits than its factorization.

1664124422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943.

The product of its digits is 18432, while the sum is 32.

The square root of 1664124422 is about 40793.6811528452. The cubic root of 1664124422 is about 1185.0279618581.

The spelling of 1664124422 in words is "one billion, six hundred sixty-four million, one hundred twenty-four thousand, four hundred twenty-two".