2001162064422 has 16 divisors (see below), whose sum is σ = 4002338597040. Its totient is φ = 667051610112.

The previous prime is 2001162064397. The next prime is 2001162064519. The reversal of 2001162064422 is 2244602611002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001162064422.

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, 2191854 + ... + 2967582.

It is an arithmetic number, because the mean of its divisors is an integer number (250146162315).

Almost surely, 2^{2001162064422} is an apocalyptic number.

2001162064422 is an abundant number, since it is smaller than the sum of its proper divisors (2001176532618).

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

2001162064422 is a wasteful number, since it uses less digits than its factorization.

2001162064422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205687.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 2001162064422 its reverse (2244602611002), we get a palindrome (4245764675424).

The spelling of 2001162064422 in words is "two trillion, one billion, one hundred sixty-two million, sixty-four thousand, four hundred twenty-two".