2167202615172 has 24 divisors (see below), whose sum is σ = 5779206974016. Its totient is φ = 619200747168.

The previous prime is 2167202615159. The next prime is 2167202615173. The reversal of 2167202615172 is 2715162027612.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2167202615173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12900015483 + ... + 12900015650.

It is an arithmetic number, because the mean of its divisors is an integer number (240800290584).

Almost surely, 2^{2167202615172} is an apocalyptic number.

It is an amenable number.

2167202615172 is an abundant number, since it is smaller than the sum of its proper divisors (3612004358844).

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

2167202615172 is a wasteful number, since it uses less digits than its factorization.

2167202615172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25800031147 (or 25800031145 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 2167202615172 in words is "two trillion, one hundred sixty-seven billion, two hundred two million, six hundred fifteen thousand, one hundred seventy-two".