66424255242466 has 32 divisors (see below), whose sum is σ = 114522822803520. Its totient is φ = 28576786852800.

The previous prime is 66424255242463. The next prime is 66424255242503.

66424255242466 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×66424255242466² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66424255242466.

It is not an unprimeable number, because it can be changed into a prime (66424255242463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74443261 + ... + 75330256.

It is an arithmetic number, because the mean of its divisors is an integer number (3578838212610).

Almost surely, 2^{66424255242466} is an apocalyptic number.

66424255242466 is a deficient number, since it is larger than the sum of its proper divisors (48098567561054).

66424255242466 is a wasteful number, since it uses less digits than its factorization.

66424255242466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149774610.

The product of its digits is 132710400, while the sum is 58.

The spelling of 66424255242466 in words is "sixty-six trillion, four hundred twenty-four billion, two hundred fifty-five million, two hundred forty-two thousand, four hundred sixty-six".