66297116 has 12 divisors (see below), whose sum is σ = 117489120. Its totient is φ = 32728800.

The previous prime is 66297073. The next prime is 66297151. The reversal of 66297116 is 61179266.

It is a super-3 number, since 3×66297116³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66297116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104585 + ... + 105216.

It is an arithmetic number, because the mean of its divisors is an integer number (9790760).

Almost surely, 2^66297116 is an apocalyptic number.

It is an amenable number.

66297116 is a deficient number, since it is larger than the sum of its proper divisors (51192004).

66297116 is a wasteful number, since it uses less digits than its factorization.

66297116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209884 (or 209882 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 66297116 is about 8142.3040965073. The cubic root of 66297116 is about 404.7295171045.

The spelling of 66297116 in words is "sixty-six million, two hundred ninety-seven thousand, one hundred sixteen".