2164787364 has 24 divisors (see below), whose sum is σ = 5056890048. Its totient is φ = 720778720.

The previous prime is 2164787351. The next prime is 2164787377. The reversal of 2164787364 is 4637874612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2164787351) and next prime (2164787377).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91047 + ... + 112334.

It is an arithmetic number, because the mean of its divisors is an integer number (210703752).

Almost surely, 2^2164787364 is an apocalyptic number.

It is an amenable number.

2164787364 is an abundant number, since it is smaller than the sum of its proper divisors (2892102684).

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

2164787364 is a wasteful number, since it uses less digits than its factorization.

2164787364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204275 (or 204273 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 2164787364 is about 46527.2754843866. The cubic root of 2164787364 is about 1293.6151151774.

The spelling of 2164787364 in words is "two billion, one hundred sixty-four million, seven hundred eighty-seven thousand, three hundred sixty-four".