66114245 has 4 divisors (see below), whose sum is σ = 79337100. Its totient is φ = 52891392.

The previous prime is 66114239. The next prime is 66114247. The reversal of 66114245 is 54241166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21585316 + 44528929 = 4646^2 + 6673^2 .

It is a cyclic number.

It is not a de Polignac number, because 66114245 - 2⁸ = 66113989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66114247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611420 + ... + 6611429.

It is an arithmetic number, because the mean of its divisors is an integer number (19834275).

Almost surely, 2^66114245 is an apocalyptic number.

It is an amenable number.

66114245 is a deficient number, since it is larger than the sum of its proper divisors (13222855).

66114245 is a wasteful number, since it uses less digits than its factorization.

66114245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222854.

The product of its digits is 5760, while the sum is 29.

The square root of 66114245 is about 8131.0666581944. The cubic root of 66114245 is about 404.3570451574.

The spelling of 66114245 in words is "sixty-six million, one hundred fourteen thousand, two hundred forty-five".