2566108897 has 16 divisors (see below), whose sum is σ = 3002339520. Its totient is φ = 2168337600.

The previous prime is 2566108891. The next prime is 2566108901. The reversal of 2566108897 is 7988016652.

It is a de Polignac number, because none of the positive numbers 2^k-2566108897 is a prime.

It is a super-4 number, since 4×2566108897⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566108891) 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, 104754 + ... + 126907.

It is an arithmetic number, because the mean of its divisors is an integer number (187646220).

Almost surely, 2^2566108897 is an apocalyptic number.

It is an amenable number.

2566108897 is a deficient number, since it is larger than the sum of its proper divisors (436230623).

2566108897 is a wasteful number, since it uses less digits than its factorization.

2566108897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231744.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2566108897 is about 50656.7754303410. The cubic root of 2566108897 is about 1369.0680249269.

The spelling of 2566108897 in words is "two billion, five hundred sixty-six million, one hundred eight thousand, eight hundred ninety-seven".