66112449 has 8 divisors (see below), whose sum is σ = 94930752. Its totient is φ = 40684560.

The previous prime is 66112447. The next prime is 66112463. The reversal of 66112449 is 94421166.

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

It is not a de Polignac number, because 66112449 - 2¹ = 66112447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66112441) 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, 847557 + ... + 847634.

It is an arithmetic number, because the mean of its divisors is an integer number (11866344).

Almost surely, 2^66112449 is an apocalyptic number.

It is an amenable number.

66112449 is a deficient number, since it is larger than the sum of its proper divisors (28818303).

66112449 is a wasteful number, since it uses less digits than its factorization.

66112449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695207.

The product of its digits is 10368, while the sum is 33.

The square root of 66112449 is about 8130.9562168296. The cubic root of 66112449 is about 404.3533836578.

The spelling of 66112449 in words is "sixty-six million, one hundred twelve thousand, four hundred forty-nine".