162561011112422 has 48 divisors (see below), whose sum is σ = 267013828665360. Its totient is φ = 74186705488896.

The previous prime is 162561011112421. The next prime is 162561011112517. The reversal of 162561011112422 is 224211110165261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162561011112421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10924298 + ... + 21082274.

It is an arithmetic number, because the mean of its divisors is an integer number (5562788097195).

Almost surely, 2^{162561011112422} is an apocalyptic number.

162561011112422 is a deficient number, since it is larger than the sum of its proper divisors (104452817552938).

162561011112422 is a wasteful number, since it uses less digits than its factorization.

162561011112422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158537 (or 10158524 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

Adding to 162561011112422 its reverse (224211110165261), we get a palindrome (386772121277683).

The spelling of 162561011112422 in words is "one hundred sixty-two trillion, five hundred sixty-one billion, eleven million, one hundred twelve thousand, four hundred twenty-two".