163636041 has 4 divisors (see below), whose sum is σ = 218181392. Its totient is φ = 109090692.

The previous prime is 163636021. The next prime is 163636049. The reversal of 163636041 is 140636361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 163636041 - 2¹⁴ = 163619657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163636049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27272671 + ... + 27272676.

It is an arithmetic number, because the mean of its divisors is an integer number (54545348).

Almost surely, 2^163636041 is an apocalyptic number.

It is an amenable number.

163636041 is a deficient number, since it is larger than the sum of its proper divisors (54545351).

163636041 is an equidigital number, since it uses as much as digits as its factorization.

163636041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54545350.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 163636041 is about 12792.0303705080. The cubic root of 163636041 is about 546.9651481147.

The spelling of 163636041 in words is "one hundred sixty-three million, six hundred thirty-six thousand, forty-one".