1530638161 has 8 divisors (see below), whose sum is σ = 1653275624. Its totient is φ = 1408700160.

The previous prime is 1530638141. The next prime is 1530638177. The reversal of 1530638161 is 1618360351.

It can be written as a sum of positive squares in 4 ways, for example, as 293779600 + 1236858561 = 17140^2 + 35169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1530638161 - 2¹⁵ = 1530605393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1530638141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170310 + ... + 179071.

It is an arithmetic number, because the mean of its divisors is an integer number (206659453).

Almost surely, 2^1530638161 is an apocalyptic number.

It is an amenable number.

1530638161 is a deficient number, since it is larger than the sum of its proper divisors (122637463).

1530638161 is a wasteful number, since it uses less digits than its factorization.

1530638161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349731.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1530638161 is about 39123.3710331817. The cubic root of 1530638161 is about 1152.4555372040.

The spelling of 1530638161 in words is "one billion, five hundred thirty million, six hundred thirty-eight thousand, one hundred sixty-one".