2162191083272 has 16 divisors (see below), whose sum is σ = 4422663579600. Its totient is φ = 982814128720.

The previous prime is 2162191083271. The next prime is 2162191083317. The reversal of 2162191083272 is 2723801912612.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 in 3 ways as a sum of consecutive naturals, for example, 12285176522 + ... + 12285176697.

It is an arithmetic number, because the mean of its divisors is an integer number (276416473725).

Almost surely, 2^{2162191083272} is an apocalyptic number.

2162191083272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2162191083272 is an abundant number, since it is smaller than the sum of its proper divisors (2260472496328).

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

2162191083272 is a wasteful number, since it uses less digits than its factorization.

2162191083272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570353236 (or 24570353232 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

Adding to 2162191083272 its reverse (2723801912612), we get a palindrome (4885992995884).

The spelling of 2162191083272 in words is "two trillion, one hundred sixty-two billion, one hundred ninety-one million, eighty-three thousand, two hundred seventy-two".