2167644748452 has 24 divisors (see below), whose sum is σ = 5324039733600. Its totient is φ = 684519394176.

The previous prime is 2167644748447. The next prime is 2167644748453. The reversal of 2167644748452 is 2548474467612.

It is not an unprimeable number, because it can be changed into a prime (2167644748453) 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, 4753606677 + ... + 4753607132.

It is an arithmetic number, because the mean of its divisors is an integer number (221834988900).

Almost surely, 2^{2167644748452} is an apocalyptic number.

It is an amenable number.

2167644748452 is an abundant number, since it is smaller than the sum of its proper divisors (3156394985148).

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

2167644748452 is a wasteful number, since it uses less digits than its factorization.

2167644748452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507213835 (or 9507213833 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 60.

The spelling of 2167644748452 in words is "two trillion, one hundred sixty-seven billion, six hundred forty-four million, seven hundred forty-eight thousand, four hundred fifty-two".