2106582866 has 8 divisors (see below), whose sum is σ = 3261805824. Its totient is φ = 1019314260.

The previous prime is 2106582833. The next prime is 2106582869. The reversal of 2106582866 is 6682856012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2106582869) 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, 16988510 + ... + 16988633.

It is an arithmetic number, because the mean of its divisors is an integer number (407725728).

Almost surely, 2^2106582866 is an apocalyptic number.

2106582866 is a deficient number, since it is larger than the sum of its proper divisors (1155222958).

2106582866 is a wasteful number, since it uses less digits than its factorization.

2106582866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33977176.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 2106582866 is about 45897.5257067306. The cubic root of 2106582866 is about 1281.9158456186.

The spelling of 2106582866 in words is "two billion, one hundred six million, five hundred eighty-two thousand, eight hundred sixty-six".