106521002163 has 12 divisors (see below), whose sum is σ = 154660893400. Its totient is φ = 70646052096.

The previous prime is 106521002149. The next prime is 106521002179. The reversal of 106521002163 is 361200125601.

106521002163 is a `hidden beast` number, since 1 + 0 + 652 + 1 + 0 + 0 + 2 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 106521002163 - 2⁶ = 106521002099 is a prime.

It is a super-2 number, since 2×106521002163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106521002113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30660613 + ... + 30664086.

Almost surely, 2^106521002163 is an apocalyptic number.

106521002163 is a deficient number, since it is larger than the sum of its proper divisors (48139891237).

106521002163 is a wasteful number, since it uses less digits than its factorization.

106521002163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61324898 (or 61324895 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 106521002163 its reverse (361200125601), we get a palindrome (467721127764).

The spelling of 106521002163 in words is "one hundred six billion, five hundred twenty-one million, two thousand, one hundred sixty-three".