162220057105 has 4 divisors (see below), whose sum is σ = 194664068532. Its totient is φ = 129776045680.

The previous prime is 162220057091. The next prime is 162220057123. The reversal of 162220057105 is 501750022261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116990677521 + 45229379584 = 342039^2 + 212672^2 .

It is not a de Polignac number, because 162220057105 - 2⁵ = 162220057073 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16222005706 + ... + 16222005715.

It is an arithmetic number, because the mean of its divisors is an integer number (48666017133).

Almost surely, 2^162220057105 is an apocalyptic number.

It is an amenable number.

162220057105 is a deficient number, since it is larger than the sum of its proper divisors (32444011427).

162220057105 is an equidigital number, since it uses as much as digits as its factorization.

162220057105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32444011426.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 162220057105 its reverse (501750022261), we get a palindrome (663970079366).

The spelling of 162220057105 in words is "one hundred sixty-two billion, two hundred twenty million, fifty-seven thousand, one hundred five".