163540041 has 16 divisors (see below), whose sum is σ = 251412864. Its totient is φ = 92623104.

The previous prime is 163540031. The next prime is 163540057. The reversal of 163540041 is 140045361.

It is not a de Polignac number, because 163540041 - 2¹⁰ = 163539017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163539993 and 163540020.

It is not an unprimeable number, because it can be changed into a prime (163540031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32086 + ... + 36831.

It is an arithmetic number, because the mean of its divisors is an integer number (15713304).

Almost surely, 2^163540041 is an apocalyptic number.

It is an amenable number.

163540041 is a deficient number, since it is larger than the sum of its proper divisors (87872823).

163540041 is a wasteful number, since it uses less digits than its factorization.

163540041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69040.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 163540041 is about 12788.2774836958. The cubic root of 163540041 is about 546.8581649065.

The spelling of 163540041 in words is "one hundred sixty-three million, five hundred forty thousand, forty-one".