2566117328 has 10 divisors (see below), whose sum is σ = 4971852354. Its totient is φ = 1283058656.

The previous prime is 2566117319. The next prime is 2566117361. The reversal of 2566117328 is 8237116652.

It can be written as a sum of positive squares in only one way, i.e., 2153702464 + 412414864 = 46408^2 + 20308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80191151 + ... + 80191182.

Almost surely, 2^2566117328 is an apocalyptic number.

It is an amenable number.

2566117328 is a deficient number, since it is larger than the sum of its proper divisors (2405735026).

2566117328 is a wasteful number, since it uses less digits than its factorization.

2566117328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160382341 (or 160382335 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2566117328 is about 50656.8586471763. The cubic root of 2566117328 is about 1369.0695242917.

The spelling of 2566117328 in words is "two billion, five hundred sixty-six million, one hundred seventeen thousand, three hundred twenty-eight".