105284628163421 has 16 divisors (see below), whose sum is σ = 120350376956928. Its totient is φ = 90225152640000.

The previous prime is 105284628163369. The next prime is 105284628163427. The reversal of 105284628163421 is 124361826482501.

It is not a de Polignac number, because 105284628163421 - 2²⁶ = 105284561054557 is a prime.

It is a super-2 number, since 2×105284628163421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105284628163427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423670996 + ... + 1423744946.

It is an arithmetic number, because the mean of its divisors is an integer number (7521898559808).

Almost surely, 2^{105284628163421} is an apocalyptic number.

It is an amenable number.

105284628163421 is a deficient number, since it is larger than the sum of its proper divisors (15065748793507).

105284628163421 is an equidigital number, since it uses as much as digits as its factorization.

105284628163421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113612.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 105284628163421 in words is "one hundred five trillion, two hundred eighty-four billion, six hundred twenty-eight million, one hundred sixty-three thousand, four hundred twenty-one".