2570680866 has 16 divisors (see below), whose sum is σ = 5536851264. Its totient is φ = 790978704.

The previous prime is 2570680837. The next prime is 2570680877. The reversal of 2570680866 is 6680860752.

It is a super-2 number, since 2×2570680866² = 13216800229637019912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16478646 + ... + 16478801.

It is an arithmetic number, because the mean of its divisors is an integer number (346053204).

Almost surely, 2^2570680866 is an apocalyptic number.

2570680866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2570680866 is an abundant number, since it is smaller than the sum of its proper divisors (2966170398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2570680866 is a wasteful number, since it uses less digits than its factorization.

2570680866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32957465.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 2570680866 is about 50701.8822727520. The cubic root of 2570680866 is about 1369.8806200699.

The spelling of 2570680866 in words is "two billion, five hundred seventy million, six hundred eighty thousand, eight hundred sixty-six".