66959852 has 6 divisors (see below), whose sum is σ = 117179748. Its totient is φ = 33479924.

The previous prime is 66959833. The next prime is 66959873. The reversal of 66959852 is 25895966.

It is a self number, because there is not a number n which added to its sum of digits gives 66959852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8369978 + ... + 8369985.

It is an arithmetic number, because the mean of its divisors is an integer number (19529958).

Almost surely, 2^66959852 is an apocalyptic number.

It is an amenable number.

66959852 is a deficient number, since it is larger than the sum of its proper divisors (50219896).

66959852 is a wasteful number, since it uses less digits than its factorization.

66959852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16739967 (or 16739965 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The square root of 66959852 is about 8182.8999749478. The cubic root of 66959852 is about 406.0736679478.

The spelling of 66959852 in words is "sixty-six million, nine hundred fifty-nine thousand, eight hundred fifty-two".