162015543 has 12 divisors (see below), whose sum is σ = 237229200. Its totient is φ = 106530336.

The previous prime is 162015509. The next prime is 162015577. The reversal of 162015543 is 345510261.

It is an interprime number because it is at equal distance from previous prime (162015509) and next prime (162015577).

It is not a de Polignac number, because 162015543 - 2¹⁸ = 161753399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162015583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122643 + ... + 123956.

It is an arithmetic number, because the mean of its divisors is an integer number (19769100).

Almost surely, 2^162015543 is an apocalyptic number.

162015543 is a deficient number, since it is larger than the sum of its proper divisors (75213657).

162015543 is a wasteful number, since it uses less digits than its factorization.

162015543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246678 (or 246675 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 162015543 is about 12728.5326334185. The cubic root of 162015543 is about 545.1536115547.

The spelling of 162015543 in words is "one hundred sixty-two million, fifteen thousand, five hundred forty-three".