101643163 has 4 divisors (see below), whose sum is σ = 101663728. Its totient is φ = 101622600.

The previous prime is 101643151. The next prime is 101643167. The reversal of 101643163 is 361346101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361346101 = 17 ⋅21255653.

It is a cyclic number.

It is not a de Polignac number, because 101643163 - 2¹⁷ = 101512091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101643167) 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, 2113 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (25415932).

Almost surely, 2^101643163 is an apocalyptic number.

101643163 is a deficient number, since it is larger than the sum of its proper divisors (20565).

101643163 is an equidigital number, since it uses as much as digits as its factorization.

101643163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20564.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 101643163 is about 10081.8233965885. The cubic root of 101643163 is about 466.6873800897.

Adding to 101643163 its reverse (361346101), we get a palindrome (462989264).

The spelling of 101643163 in words is "one hundred one million, six hundred forty-three thousand, one hundred sixty-three".