106021636403 has 4 divisors (see below), whose sum is σ = 106083171288. Its totient is φ = 105960101520.

The previous prime is 106021636363. The next prime is 106021636429. The reversal of 106021636403 is 304636120601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304636120601 = 191 ⋅1594953511.

It is a cyclic number.

It is not a de Polignac number, because 106021636403 - 2²⁸ = 105753200947 is a prime.

It is a super-2 number, since 2×106021636403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106021636403.

It is not an unprimeable number, because it can be changed into a prime (106021636103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30764858 + ... + 30768303.

It is an arithmetic number, because the mean of its divisors is an integer number (26520792822).

Almost surely, 2^106021636403 is an apocalyptic number.

106021636403 is a deficient number, since it is larger than the sum of its proper divisors (61534885).

106021636403 is an equidigital number, since it uses as much as digits as its factorization.

106021636403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61534884.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 106021636403 in words is "one hundred six billion, twenty-one million, six hundred thirty-six thousand, four hundred three".