1345530663 has 48 divisors (see below), whose sum is σ = 2062734240. Its totient is φ = 866750976.

The previous prime is 1345530647. The next prime is 1345530677. The reversal of 1345530663 is 3660355431.

1345530663 is a `hidden beast` number, since 1 + 345 + 5 + 306 + 6 + 3 = 666.

It is not a de Polignac number, because 1345530663 - 2⁴ = 1345530647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345530623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8570181 + ... + 8570337.

It is an arithmetic number, because the mean of its divisors is an integer number (42973630).

Almost surely, 2^1345530663 is an apocalyptic number.

1345530663 is a deficient number, since it is larger than the sum of its proper divisors (717203577).

1345530663 is a wasteful number, since it uses less digits than its factorization.

1345530663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 1345530663 is about 36681.4757473033. The cubic root of 1345530663 is about 1103.9884583505.

The spelling of 1345530663 in words is "one billion, three hundred forty-five million, five hundred thirty thousand, six hundred sixty-three".