2167394320 has 80 divisors (see below), whose sum is σ = 6202103040. Its totient is φ = 685942272.

The previous prime is 2167394291. The next prime is 2167394329. The reversal of 2167394320 is 234937612.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2167394320.

It is not an unprimeable number, because it can be changed into a prime (2167394329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141580 + ... + 156139.

It is an arithmetic number, because the mean of its divisors is an integer number (77526288).

Almost surely, 2^2167394320 is an apocalyptic number.

2167394320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2167394320 is an abundant number, since it is smaller than the sum of its proper divisors (4034708720).

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

2167394320 is a wasteful number, since it uses less digits than its factorization.

2167394320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297752 (or 297746 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2167394320 is about 46555.2824070481. The cubic root of 2167394320 is about 1294.1341876901.

The spelling of 2167394320 in words is "two billion, one hundred sixty-seven million, three hundred ninety-four thousand, three hundred twenty".