66241466 has 4 divisors (see below), whose sum is σ = 99362202. Its totient is φ = 33120732.

The previous prime is 66241411. The next prime is 66241477. The reversal of 66241466 is 66414266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66414266 = 2 ⋅33207133.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 11703241 = 7385^2 + 3421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560365 + ... + 16560368.

Almost surely, 2^66241466 is an apocalyptic number.

66241466 is a deficient number, since it is larger than the sum of its proper divisors (33120736).

66241466 is a wasteful number, since it uses less digits than its factorization.

66241466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33120735.

The product of its digits is 41472, while the sum is 35.

The square root of 66241466 is about 8138.8860417136. The cubic root of 66241466 is about 404.6162416764.

The spelling of 66241466 in words is "sixty-six million, two hundred forty-one thousand, four hundred sixty-six".