66848361 has 8 divisors (see below), whose sum is σ = 89194560. Its totient is φ = 44533872.

The previous prime is 66848347. The next prime is 66848389. The reversal of 66848361 is 16384866.

It is a happy number.

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

It is not a de Polignac number, because 66848361 - 2¹⁰ = 66847337 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (66848311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (11149320).

Almost surely, 2^66848361 is an apocalyptic number.

It is an amenable number.

66848361 is a deficient number, since it is larger than the sum of its proper divisors (22346199).

66848361 is a wasteful number, since it uses less digits than its factorization.

66848361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855.

The product of its digits is 165888, while the sum is 42.

The square root of 66848361 is about 8176.0846986807. The cubic root of 66848361 is about 405.8481661051.

The spelling of 66848361 in words is "sixty-six million, eight hundred forty-eight thousand, three hundred sixty-one".