163536797 has 4 divisors (see below), whose sum is σ = 163779036. Its totient is φ = 163294560.

The previous prime is 163536773. The next prime is 163536799. The reversal of 163536797 is 797635361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797635361 = 41 ⋅19454521.

It can be written as a sum of positive squares in 2 ways, for example, as 125910841 + 37625956 = 11221^2 + 6134^2 .

It is a cyclic number.

It is not a de Polignac number, because 163536797 - 2¹⁶ = 163471261 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163536799) 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, 120104 + ... + 121457.

It is an arithmetic number, because the mean of its divisors is an integer number (40944759).

Almost surely, 2^163536797 is an apocalyptic number.

It is an amenable number.

163536797 is a deficient number, since it is larger than the sum of its proper divisors (242239).

163536797 is an equidigital number, since it uses as much as digits as its factorization.

163536797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242238.

The product of its digits is 714420, while the sum is 47.

The square root of 163536797 is about 12788.1506481586. The cubic root of 163536797 is about 546.8545490344.

The spelling of 163536797 in words is "one hundred sixty-three million, five hundred thirty-six thousand, seven hundred ninety-seven".