1330660345 has 32 divisors (see below), whose sum is σ = 1948078080. Its totient is φ = 852223680.

The previous prime is 1330660333. The next prime is 1330660351. The reversal of 1330660345 is 5430660331.

It is not a de Polignac number, because 1330660345 - 2¹⁵ = 1330627577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33124 + ... + 61306.

It is an arithmetic number, because the mean of its divisors is an integer number (60877440).

Almost surely, 2^1330660345 is an apocalyptic number.

It is an amenable number.

1330660345 is a deficient number, since it is larger than the sum of its proper divisors (617417735).

1330660345 is a wasteful number, since it uses less digits than its factorization.

1330660345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28285.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1330660345 is about 36478.2174043634. The cubic root of 1330660345 is about 1099.9064231691.

The spelling of 1330660345 in words is "one billion, three hundred thirty million, six hundred sixty thousand, three hundred forty-five".