1663233424 has 20 divisors (see below), whose sum is σ = 3258725580. Its totient is φ = 822272000.

The previous prime is 1663233413. The next prime is 1663233427. The reversal of 1663233424 is 4243323661.

It can be written as a sum of positive squares in 2 ways, for example, as 804743424 + 858490000 = 28368^2 + 29300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1663233424.

It is not an unprimeable number, because it can be changed into a prime (1663233427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582577 + ... + 585424.

It is an arithmetic number, because the mean of its divisors is an integer number (162936279).

Almost surely, 2^1663233424 is an apocalyptic number.

It is an amenable number.

1663233424 is a deficient number, since it is larger than the sum of its proper divisors (1595492156).

1663233424 is a wasteful number, since it uses less digits than its factorization.

1663233424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168098 (or 1168092 counting only the distinct ones).

The product of its digits is 62208, while the sum is 34.

The square root of 1663233424 is about 40782.7589061849. The cubic root of 1663233424 is about 1184.8164299904.

The spelling of 1663233424 in words is "one billion, six hundred sixty-three million, two hundred thirty-three thousand, four hundred twenty-four".