2164630704 has 80 divisors (see below), whose sum is σ = 5755881600. Its totient is φ = 700691968.

The previous prime is 2164630703. The next prime is 2164630729. The reversal of 2164630704 is 4070364612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2164630703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230452 + ... + 239660.

It is an arithmetic number, because the mean of its divisors is an integer number (71948520).

Almost surely, 2^2164630704 is an apocalyptic number.

2164630704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2164630704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877940800).

2164630704 is an abundant number, since it is smaller than the sum of its proper divisors (3591250896).

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

2164630704 is a wasteful number, since it uses less digits than its factorization.

2164630704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362 (or 9356 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2164630704 is about 46525.5919253049. The cubic root of 2164630704 is about 1293.5839092438.

The spelling of 2164630704 in words is "two billion, one hundred sixty-four million, six hundred thirty thousand, seven hundred four".