2566320376 has 8 divisors (see below), whose sum is σ = 4811850720. Its totient is φ = 1283160184.

The previous prime is 2566320313. The next prime is 2566320377. The reversal of 2566320376 is 6730236652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566320377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160395016 + ... + 160395031.

It is an arithmetic number, because the mean of its divisors is an integer number (601481340).

Almost surely, 2^2566320376 is an apocalyptic number.

It is an amenable number.

2566320376 is a deficient number, since it is larger than the sum of its proper divisors (2245530344).

2566320376 is a wasteful number, since it uses less digits than its factorization.

2566320376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320790053 (or 320790049 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 2566320376 is about 50658.8627586526. The cubic root of 2566320376 is about 1369.1056332534.

The spelling of 2566320376 in words is "two billion, five hundred sixty-six million, three hundred twenty thousand, three hundred seventy-six".