66665348 has 12 divisors (see below), whose sum is σ = 117583872. Its totient is φ = 33069960.

The previous prime is 66665341. The next prime is 66665359. The reversal of 66665348 is 84356666.

It is a super-2 number, since 2×66665348² = 8888537247922208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66665299 and 66665308.

It is not an unprimeable number, because it can be changed into a prime (66665341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65108 + ... + 66123.

It is an arithmetic number, because the mean of its divisors is an integer number (9798656).

Almost surely, 2^66665348 is an apocalyptic number.

It is an amenable number.

66665348 is a deficient number, since it is larger than the sum of its proper divisors (50918524).

66665348 is a wasteful number, since it uses less digits than its factorization.

66665348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131362 (or 131360 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 66665348 is about 8164.8850573661. The cubic root of 66665348 is about 405.4774595549.

The spelling of 66665348 in words is "sixty-six million, six hundred sixty-five thousand, three hundred forty-eight".