1663303166 has 16 divisors (see below), whose sum is σ = 2856043104. Its totient is φ = 711677664.

The previous prime is 1663303157. The next prime is 1663303189. The reversal of 1663303166 is 6613033661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88325 + ... + 105488.

It is an arithmetic number, because the mean of its divisors is an integer number (178502694).

Almost surely, 2^1663303166 is an apocalyptic number.

1663303166 is a deficient number, since it is larger than the sum of its proper divisors (1192739938).

1663303166 is a wasteful number, since it uses less digits than its factorization.

1663303166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194435.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 1663303166 is about 40783.6139399146. The cubic root of 1663303166 is about 1184.8329901660.

The spelling of 1663303166 in words is "one billion, six hundred sixty-three million, three hundred three thousand, one hundred sixty-six".