66353822 has 12 divisors (see below), whose sum is σ = 105730800. Its totient is φ = 31225056.

The previous prime is 66353821. The next prime is 66353849. The reversal of 66353822 is 22835366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66353821) 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 5 ways as a sum of consecutive naturals, for example, 56822 + ... + 57977.

It is an arithmetic number, because the mean of its divisors is an integer number (8810900).

Almost surely, 2^66353822 is an apocalyptic number.

66353822 is a deficient number, since it is larger than the sum of its proper divisors (39376978).

66353822 is a wasteful number, since it uses less digits than its factorization.

66353822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114835 (or 114818 counting only the distinct ones).

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

The square root of 66353822 is about 8145.7855360917. The cubic root of 66353822 is about 404.8448768317.

The spelling of 66353822 in words is "sixty-six million, three hundred fifty-three thousand, eight hundred twenty-two".