1663326244 has 12 divisors (see below), whose sum is σ = 2911402368. Its totient is φ = 831497000.

The previous prime is 1663326241. The next prime is 1663326283. The reversal of 1663326244 is 4426233661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1663326241) 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 3 ways as a sum of consecutive naturals, for example, 17452 + ... + 60259.

It is an arithmetic number, because the mean of its divisors is an integer number (242616864).

Almost surely, 2^1663326244 is an apocalyptic number.

It is an amenable number.

1663326244 is a deficient number, since it is larger than the sum of its proper divisors (1248076124).

1663326244 is a wasteful number, since it uses less digits than its factorization.

1663326244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83066 (or 83064 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 1663326244 is about 40783.8968711917. The cubic root of 1663326244 is about 1184.8384699145.

The spelling of 1663326244 in words is "one billion, six hundred sixty-three million, three hundred twenty-six thousand, two hundred forty-four".