1303166645 has 8 divisors (see below), whose sum is σ = 1705963680. Its totient is φ = 947757520.

The previous prime is 1303166629. The next prime is 1303166659. The reversal of 1303166645 is 5466613031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1303166645 - 2⁴ = 1303166629 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 11846915 + ... + 11847024.

It is an arithmetic number, because the mean of its divisors is an integer number (213245460).

Almost surely, 2^1303166645 is an apocalyptic number.

It is an amenable number.

1303166645 is a deficient number, since it is larger than the sum of its proper divisors (402797035).

1303166645 is a wasteful number, since it uses less digits than its factorization.

1303166645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23693955.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1303166645 is about 36099.3995102412. The cubic root of 1303166645 is about 1092.2783321455.

Adding to 1303166645 its reverse (5466613031), we get a palindrome (6769779676).

The spelling of 1303166645 in words is "one billion, three hundred three million, one hundred sixty-six thousand, six hundred forty-five".