66383516 has 6 divisors (see below), whose sum is σ = 116171160. Its totient is φ = 33191756.

The previous prime is 66383503. The next prime is 66383519. The reversal of 66383516 is 61538366.

It is a self number, because there is not a number n which added to its sum of digits gives 66383516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66383519) 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 as a sum of consecutive naturals, namely, 8297936 + ... + 8297943.

It is an arithmetic number, because the mean of its divisors is an integer number (19361860).

Almost surely, 2^66383516 is an apocalyptic number.

It is an amenable number.

66383516 is a deficient number, since it is larger than the sum of its proper divisors (49787644).

66383516 is a wasteful number, since it uses less digits than its factorization.

66383516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595883 (or 16595881 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 66383516 is about 8147.6079925338. The cubic root of 66383516 is about 404.9052585380.

The spelling of 66383516 in words is "sixty-six million, three hundred eighty-three thousand, five hundred sixteen".