1330297656 has 48 divisors (see below), whose sum is σ = 3343350360. Its totient is φ = 441096960.

The previous prime is 1330297643. The next prime is 1330297697. The reversal of 1330297656 is 6567920331.

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 11 ways as a sum of consecutive naturals, for example, 1302426 + ... + 1303446.

Almost surely, 2^1330297656 is an apocalyptic number.

It is an amenable number.

1330297656 is an abundant number, since it is smaller than the sum of its proper divisors (2013052704).

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

1330297656 is a wasteful number, since it uses less digits than its factorization.

1330297656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 1330297656 is about 36473.2457563075. The cubic root of 1330297656 is about 1099.8064827619.

The spelling of 1330297656 in words is "one billion, three hundred thirty million, two hundred ninety-seven thousand, six hundred fifty-six".