866087466 has 16 divisors (see below), whose sum is σ = 1736180544. Its totient is φ = 288028224.

The previous prime is 866087461. The next prime is 866087501. The reversal of 866087466 is 664780668.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (866087461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164086 + ... + 169281.

It is an arithmetic number, because the mean of its divisors is an integer number (108511284).

Almost surely, 2^866087466 is an apocalyptic number.

866087466 is an abundant number, since it is smaller than the sum of its proper divisors (870093078).

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

866087466 is a wasteful number, since it uses less digits than its factorization.

866087466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333805.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 866087466 is about 29429.3640094379. The cubic root of 866087466 is about 953.2070618887.

The spelling of 866087466 in words is "eight hundred sixty-six million, eighty-seven thousand, four hundred sixty-six".