162561011112222 has 64 divisors (see below), whose sum is σ = 356405323993920. Its totient is φ = 49201120475136.

The previous prime is 162561011112221. The next prime is 162561011112329. The reversal of 162561011112222 is 222211110165261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162561011112221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18554533 + ... + 25872624.

It is an arithmetic number, because the mean of its divisors is an integer number (5568833187405).

Almost surely, 2^{162561011112222} is an apocalyptic number.

162561011112222 is an abundant number, since it is smaller than the sum of its proper divisors (193844312881698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162561011112222 is a wasteful number, since it uses less digits than its factorization.

162561011112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44428445.

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 162561011112222 its reverse (222211110165261), we get a palindrome (384772121277483).

The spelling of 162561011112222 in words is "one hundred sixty-two trillion, five hundred sixty-one billion, eleven million, one hundred twelve thousand, two hundred twenty-two".