1663044050 has 24 divisors (see below), whose sum is σ = 3168711252. Its totient is φ = 648992000.

The previous prime is 1663044007. The next prime is 1663044107. The reversal of 1663044050 is 504403661.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 135094129 + 1527949921 = 11623^2 + 39089^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 403571 + ... + 407670.

Almost surely, 2^1663044050 is an apocalyptic number.

1663044050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663044050 is a deficient number, since it is larger than the sum of its proper divisors (1505667202).

1663044050 is a wasteful number, since it uses less digits than its factorization.

1663044050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811294 (or 811289 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1663044050 is about 40780.4370991778. The cubic root of 1663044050 is about 1184.7714609681.

The spelling of 1663044050 in words is "one billion, six hundred sixty-three million, forty-four thousand, fifty".