66271196 has 6 divisors (see below), whose sum is σ = 115974600. Its totient is φ = 33135596.

The previous prime is 66271189. The next prime is 66271201. The reversal of 66271196 is 69117266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8283896 + ... + 8283903.

It is an arithmetic number, because the mean of its divisors is an integer number (19329100).

Almost surely, 2^66271196 is an apocalyptic number.

It is an amenable number.

66271196 is a deficient number, since it is larger than the sum of its proper divisors (49703404).

66271196 is a wasteful number, since it uses less digits than its factorization.

66271196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16567803 (or 16567801 counting only the distinct ones).

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

The square root of 66271196 is about 8140.7122538510. The cubic root of 66271196 is about 404.6767649026.

The spelling of 66271196 in words is "sixty-six million, two hundred seventy-one thousand, one hundred ninety-six".