1531538162 has 16 divisors (see below), whose sum is σ = 2864175552. Its totient is φ = 596703120.

The previous prime is 1531538147. The next prime is 1531538213. The reversal of 1531538162 is 2618351351.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4972373 + ... + 4972680.

It is an arithmetic number, because the mean of its divisors is an integer number (179010972).

Almost surely, 2^1531538162 is an apocalyptic number.

1531538162 is a deficient number, since it is larger than the sum of its proper divisors (1332637390).

1531538162 is a wasteful number, since it uses less digits than its factorization.

1531538162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945073.

The product of its digits is 21600, while the sum is 35.

The square root of 1531538162 is about 39134.8714320106. The cubic root of 1531538162 is about 1152.6813706588.

The spelling of 1531538162 in words is "one billion, five hundred thirty-one million, five hundred thirty-eight thousand, one hundred sixty-two".