1022166512205 has 8 divisors (see below), whose sum is σ = 1635466419552. Its totient is φ = 545155473168.

The previous prime is 1022166512173. The next prime is 1022166512221. The reversal of 1022166512205 is 5022156612201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022166512205 - 2⁵ = 1022166512173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34072217059 + ... + 34072217088.

It is an arithmetic number, because the mean of its divisors is an integer number (204433302444).

Almost surely, 2^{1022166512205} is an apocalyptic number.

1022166512205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022166512205 is a deficient number, since it is larger than the sum of its proper divisors (613299907347).

1022166512205 is an equidigital number, since it uses as much as digits as its factorization.

1022166512205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68144434155.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 1022166512205 in words is "one trillion, twenty-two billion, one hundred sixty-six million, five hundred twelve thousand, two hundred five".