66207883 has 8 divisors (see below), whose sum is σ = 75955968. Its totient is φ = 56532264.

The previous prime is 66207871. The next prime is 66207893. The reversal of 66207883 is 38870266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66207883 - 2⁵ = 66207851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66207803) 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, 16141 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (9494496).

Almost surely, 2^66207883 is an apocalyptic number.

66207883 is a deficient number, since it is larger than the sum of its proper divisors (9748085).

66207883 is a wasteful number, since it uses less digits than its factorization.

66207883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36233.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 66207883 is about 8136.8226599822. The cubic root of 66207883 is about 404.5478528709.

The spelling of 66207883 in words is "sixty-six million, two hundred seven thousand, eight hundred eighty-three".