4666646626 has 4 divisors (see below), whose sum is σ = 6999969942. Its totient is φ = 2333323312.

The previous prime is 4666646599. The next prime is 4666646627. The reversal of 4666646626 is 6266466664.

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

It can be written as a sum of positive squares in only one way, i.e., 3455676225 + 1210970401 = 58785^2 + 34799^2 .

It is not an unprimeable number, because it can be changed into a prime (4666646627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166661655 + ... + 1166661658.

Almost surely, 2^4666646626 is an apocalyptic number.

4666646626 is a deficient number, since it is larger than the sum of its proper divisors (2333323316).

4666646626 is a wasteful number, since it uses less digits than its factorization.

4666646626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333323315.

The product of its digits is 8957952, while the sum is 52.

The square root of 4666646626 is about 68312.8584235794. The cubic root of 4666646626 is about 1671.0969195126.

The spelling of 4666646626 in words is "four billion, six hundred sixty-six million, six hundred forty-six thousand, six hundred twenty-six".