1663066430 has 16 divisors (see below), whose sum is σ = 3001342464. Its totient is φ = 663488160.

The previous prime is 1663066421. The next prime is 1663066459. The reversal of 1663066430 is 346603661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213281 + ... + 220940.

It is an arithmetic number, because the mean of its divisors is an integer number (187583904).

Almost surely, 2^1663066430 is an apocalyptic number.

1663066430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663066430 is a deficient number, since it is larger than the sum of its proper divisors (1338276034).

1663066430 is a wasteful number, since it uses less digits than its factorization.

1663066430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434611.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 1663066430 is about 40780.7114945289. The cubic root of 1663066430 is about 1184.7767755330.

The spelling of 1663066430 in words is "one billion, six hundred sixty-three million, sixty-six thousand, four hundred thirty".