2162191083274 has 4 divisors (see below), whose sum is σ = 3243286624914. Its totient is φ = 1081095541636.

The previous prime is 2162191083271. The next prime is 2162191083317. The reversal of 2162191083274 is 4723801912612.

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

It can be written as a sum of positive squares in only one way, i.e., 1558839646225 + 603351437049 = 1248535^2 + 776757^2 .

It is not an unprimeable number, because it can be changed into a prime (2162191083271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540547770817 + ... + 540547770820.

Almost surely, 2^{2162191083274} is an apocalyptic number.

2162191083274 is a deficient number, since it is larger than the sum of its proper divisors (1081095541640).

2162191083274 is a wasteful number, since it uses less digits than its factorization.

2162191083274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081095541639.

The product of its (nonzero) digits is 290304, while the sum is 46.

Adding to 2162191083274 its reverse (4723801912612), we get a palindrome (6885992995886).

The spelling of 2162191083274 in words is "two trillion, one hundred sixty-two billion, one hundred ninety-one million, eighty-three thousand, two hundred seventy-four".