66334856 has 16 divisors (see below), whose sum is σ = 142146240. Its totient is φ = 28429200.

The previous prime is 66334841. The next prime is 66334903. The reversal of 66334856 is 65843366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592220 + ... + 592331.

It is an arithmetic number, because the mean of its divisors is an integer number (8884140).

Almost surely, 2^66334856 is an apocalyptic number.

It is an amenable number.

66334856 is an abundant number, since it is smaller than the sum of its proper divisors (75811384).

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

66334856 is a wasteful number, since it uses less digits than its factorization.

66334856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184564 (or 1184560 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 66334856 is about 8144.6212926078. The cubic root of 66334856 is about 404.8063007086.

The spelling of 66334856 in words is "sixty-six million, three hundred thirty-four thousand, eight hundred fifty-six".