15530164 has 24 divisors (see below), whose sum is σ = 29568168. Its totient is φ = 7094400.

The previous prime is 15530161. The next prime is 15530171. The reversal of 15530164 is 46103551.

It can be written as a sum of positive squares in 4 ways, for example, as 1542564 + 13987600 = 1242^2 + 3740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3774 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (1232007).

Almost surely, 2^15530164 is an apocalyptic number.

It is an amenable number.

15530164 is a deficient number, since it is larger than the sum of its proper divisors (14038004).

15530164 is a wasteful number, since it uses less digits than its factorization.

15530164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 15530164 is about 3940.8329068866. The cubic root of 15530164 is about 249.4931812333.

The spelling of 15530164 in words is "fifteen million, five hundred thirty thousand, one hundred sixty-four".