66248368 has 20 divisors (see below), whose sum is σ = 128482848. Its totient is φ = 33091520.

The previous prime is 66248341. The next prime is 66248387. The reversal of 66248368 is 86384266.

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, 28830 + ... + 31042.

Almost surely, 2^66248368 is an apocalyptic number.

It is an amenable number.

66248368 is a deficient number, since it is larger than the sum of its proper divisors (62234480).

66248368 is a wasteful number, since it uses less digits than its factorization.

66248368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4086 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 66248368 is about 8139.3100444694. The cubic root of 66248368 is about 404.6302941246.

The spelling of 66248368 in words is "sixty-six million, two hundred forty-eight thousand, three hundred sixty-eight".