66436463466 has 16 divisors (see below), whose sum is σ = 147636585600. Its totient is φ = 22145487804.

The previous prime is 66436463461. The next prime is 66436463473.

66436463466 is a `hidden beast` number, since 6 + 64 + 3 + 64 + 63 + 466 = 666.

66436463466 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1230304879 = 66436463466 / (6 + 6 + 4 + 3 + 6 + 4 + 6 + 3 + 4 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (66436463461) 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, 615152386 + ... + 615152493.

It is an arithmetic number, because the mean of its divisors is an integer number (9227286600).

Almost surely, 2^66436463466 is an apocalyptic number.

66436463466 is an abundant number, since it is smaller than the sum of its proper divisors (81200122134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66436463466 is a wasteful number, since it uses less digits than its factorization.

66436463466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230304890 (or 1230304884 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 54.

The spelling of 66436463466 in words is "sixty-six billion, four hundred thirty-six million, four hundred sixty-three thousand, four hundred sixty-six".