2173922016 has 96 divisors (see below), whose sum is σ = 6529114368. Its totient is φ = 620421120.

The previous prime is 2173922011. The next prime is 2173922021. The reversal of 2173922016 is 6102293712.

It is an interprime number because it is at equal distance from previous prime (2173922011) and next prime (2173922021).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173922011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027776 + ... + 1029888.

It is an arithmetic number, because the mean of its divisors is an integer number (68011608).

Almost surely, 2^2173922016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2173922016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3264557184).

2173922016 is an abundant number, since it is smaller than the sum of its proper divisors (4355192352).

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

2173922016 is a wasteful number, since it uses less digits than its factorization.

2173922016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2173922016 is about 46625.3366314925. The cubic root of 2173922016 is about 1295.4320976247.

The spelling of 2173922016 in words is "two billion, one hundred seventy-three million, nine hundred twenty-two thousand, sixteen".