1530165406 has 64 divisors (see below), whose sum is σ = 2941526016. Its totient is φ = 579650400.

The previous prime is 1530165401. The next prime is 1530165421. The reversal of 1530165406 is 6045610351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530165401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2059071 + ... + 2059813.

It is an arithmetic number, because the mean of its divisors is an integer number (45961344).

Almost surely, 2^1530165406 is an apocalyptic number.

1530165406 is a deficient number, since it is larger than the sum of its proper divisors (1411360610).

1530165406 is a wasteful number, since it uses less digits than its factorization.

1530165406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1530165406 is about 39117.3287175901. The cubic root of 1530165406 is about 1152.3368753209.

Adding to 1530165406 its reverse (6045610351), we get a palindrome (7575775757).

The spelling of 1530165406 in words is "one billion, five hundred thirty million, one hundred sixty-five thousand, four hundred six".