66843350 has 36 divisors (see below), whose sum is σ = 144632484. Its totient is φ = 22916880.

The previous prime is 66843331. The next prime is 66843367. The reversal of 66843350 is 5334866.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66843350.

It is a congruent number.

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 in 17 ways as a sum of consecutive naturals, for example, 11192 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (4017569).

Almost surely, 2^66843350 is an apocalyptic number.

66843350 is an abundant number, since it is smaller than the sum of its proper divisors (77789134).

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

66843350 is a wasteful number, since it uses less digits than its factorization.

66843350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27309 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 66843350 is about 8175.7782504175. The cubic root of 66843350 is about 405.8380249640.

The spelling of 66843350 in words is "sixty-six million, eight hundred forty-three thousand, three hundred fifty".