1330161656 has 16 divisors (see below), whose sum is σ = 2552055000. Its totient is φ = 649613664.

The previous prime is 1330161629. The next prime is 1330161697. The reversal of 1330161656 is 6561610331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933031 + ... + 1933718.

Almost surely, 2^1330161656 is an apocalyptic number.

It is an amenable number.

1330161656 is a deficient number, since it is larger than the sum of its proper divisors (1221893344).

1330161656 is a wasteful number, since it uses less digits than its factorization.

1330161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866798 (or 3866794 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1330161656 is about 36471.3813283786. The cubic root of 1330161656 is about 1099.7690027342.

Adding to 1330161656 its reverse (6561610331), we get a palindrome (7891771987).

The spelling of 1330161656 in words is "one billion, three hundred thirty million, one hundred sixty-one thousand, six hundred fifty-six".