2164995807 has 16 divisors (see below), whose sum is σ = 3117690240. Its totient is φ = 1328457312.

The previous prime is 2164995787. The next prime is 2164995817. The reversal of 2164995807 is 7085994612.

2164995807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2164995807 - 2¹⁸ = 2164733663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2164995807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164995817) 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, 66457 + ... + 93522.

It is an arithmetic number, because the mean of its divisors is an integer number (194855640).

Almost surely, 2^2164995807 is an apocalyptic number.

2164995807 is a deficient number, since it is larger than the sum of its proper divisors (952694433).

2164995807 is a wasteful number, since it uses less digits than its factorization.

2164995807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160342.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2164995807 is about 46529.5154391275. The cubic root of 2164995807 is about 1293.6566337065.

The spelling of 2164995807 in words is "two billion, one hundred sixty-four million, nine hundred ninety-five thousand, eight hundred seven".