66503114 has 8 divisors (see below), whose sum is σ = 100875780. Its totient is φ = 32877856.

The previous prime is 66503077. The next prime is 66503117. The reversal of 66503114 is 41130566.

It can be written as a sum of positive squares in 2 ways, for example, as 64529089 + 1974025 = 8033^2 + 1405^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66503117) 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, 186629 + ... + 186984.

Almost surely, 2^66503114 is an apocalyptic number.

66503114 is a deficient number, since it is larger than the sum of its proper divisors (34372666).

66503114 is a wasteful number, since it uses less digits than its factorization.

66503114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373704.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 66503114 is about 8154.9441445052. The cubic root of 66503114 is about 405.1482747233.

The spelling of 66503114 in words is "sixty-six million, five hundred three thousand, one hundred fourteen".