1303166646 has 12 divisors (see below), whose sum is σ = 2823527772. Its totient is φ = 434388876.

The previous prime is 1303166629. The next prime is 1303166659. The reversal of 1303166646 is 6466613031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303166646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36199056 + ... + 36199091.

It is an arithmetic number, because the mean of its divisors is an integer number (235293981).

Almost surely, 2^1303166646 is an apocalyptic number.

1303166646 is an abundant number, since it is smaller than the sum of its proper divisors (1520361126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303166646 is a wasteful number, since it uses less digits than its factorization.

1303166646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72398155 (or 72398152 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1303166646 is about 36099.3995240918. The cubic root of 1303166646 is about 1092.2783324249.

Adding to 1303166646 its reverse (6466613031), we get a palindrome (7769779677).

The spelling of 1303166646 in words is "one billion, three hundred three million, one hundred sixty-six thousand, six hundred forty-six".