53335999966 has 8 divisors (see below), whose sum is σ = 81513509544. Its totient is φ = 26164830120.

The previous prime is 53335999963. The next prime is 53336000041. The reversal of 53335999966 is 66999953335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53335999963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 251584800 + ... + 251585011.

It is an arithmetic number, because the mean of its divisors is an integer number (10189188693).

Almost surely, 2^53335999966 is an apocalyptic number.

53335999966 is a deficient number, since it is larger than the sum of its proper divisors (28177509578).

53335999966 is a wasteful number, since it uses less digits than its factorization.

53335999966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503169866.

The product of its digits is 159432300, while the sum is 67.

The spelling of 53335999966 in words is "fifty-three billion, three hundred thirty-five million, nine hundred ninety-nine thousand, nine hundred sixty-six".