461533666 has 16 divisors (see below), whose sum is σ = 781280640. Its totient is φ = 202553680.

The previous prime is 461533661. The next prime is 461533727. The reversal of 461533666 is 666335164.

It is not an unprimeable number, because it can be changed into a prime (461533661) 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, 361066 + ... + 362341.

It is an arithmetic number, because the mean of its divisors is an integer number (48830040).

Almost surely, 2^461533666 is an apocalyptic number.

461533666 is a deficient number, since it is larger than the sum of its proper divisors (319746974).

461533666 is a wasteful number, since it uses less digits than its factorization.

461533666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723449.

The product of its digits is 233280, while the sum is 40.

The square root of 461533666 is about 21483.3346108094. The cubic root of 461533666 is about 772.8012132018.

The spelling of 461533666 in words is "four hundred sixty-one million, five hundred thirty-three thousand, six hundred sixty-six".