2578017164 has 12 divisors (see below), whose sum is σ = 4657063488. Its totient is φ = 1247427600.

The previous prime is 2578017161. The next prime is 2578017181. The reversal of 2578017164 is 4617108752.

2578017164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2578017161) 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, 10395107 + ... + 10395354.

It is an arithmetic number, because the mean of its divisors is an integer number (388088624).

Almost surely, 2^2578017164 is an apocalyptic number.

It is an amenable number.

2578017164 is a deficient number, since it is larger than the sum of its proper divisors (2079046324).

2578017164 is a wasteful number, since it uses less digits than its factorization.

2578017164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20790496 (or 20790494 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 2578017164 is about 50774.1781223488. The cubic root of 2578017164 is about 1371.1825199556.

The spelling of 2578017164 in words is "two billion, five hundred seventy-eight million, seventeen thousand, one hundred sixty-four".