2164337744 has 20 divisors (see below), whose sum is σ = 4338005460. Its totient is φ = 1044852480.

The previous prime is 2164337741. The next prime is 2164337753. The reversal of 2164337744 is 4477334612.

It can be written as a sum of positive squares in 2 ways, for example, as 929518144 + 1234819600 = 30488^2 + 35140^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164337741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331797 + ... + 2332724.

It is an arithmetic number, because the mean of its divisors is an integer number (216900273).

Almost surely, 2^2164337744 is an apocalyptic number.

It is an amenable number.

2164337744 is an abundant number, since it is smaller than the sum of its proper divisors (2173667716).

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

2164337744 is a wasteful number, since it uses less digits than its factorization.

2164337744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664558 (or 4664552 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The square root of 2164337744 is about 46522.4434439981. The cubic root of 2164337744 is about 1293.5255489518.

The spelling of 2164337744 in words is "two billion, one hundred sixty-four million, three hundred thirty-seven thousand, seven hundred forty-four".