2170641011172 has 48 divisors (see below), whose sum is σ = 5068553434560. Its totient is φ = 723015121408.

The previous prime is 2170641011129. The next prime is 2170641011177. The reversal of 2170641011172 is 2711101460712.

It is not an unprimeable number, because it can be changed into a prime (2170641011177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172691704 + ... + 172704272.

It is an arithmetic number, because the mean of its divisors is an integer number (105594863220).

Almost surely, 2^{2170641011172} is an apocalyptic number.

It is an amenable number.

2170641011172 is an abundant number, since it is smaller than the sum of its proper divisors (2897912423388).

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

2170641011172 is a wasteful number, since it uses less digits than its factorization.

2170641011172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 2170641011172 its reverse (2711101460712), we get a palindrome (4881742471884).

The spelling of 2170641011172 in words is "two trillion, one hundred seventy billion, six hundred forty-one million, eleven thousand, one hundred seventy-two".