463720666 has 8 divisors (see below), whose sum is σ = 702082080. Its totient is φ = 229693308.

The previous prime is 463720651. The next prime is 463720693. The reversal of 463720666 is 666027364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083246 + ... + 1083673.

It is an arithmetic number, because the mean of its divisors is an integer number (87760260).

Almost surely, 2^463720666 is an apocalyptic number.

463720666 is a deficient number, since it is larger than the sum of its proper divisors (238361414).

463720666 is a wasteful number, since it uses less digits than its factorization.

463720666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167028.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 463720666 is about 21534.1743747003. The cubic root of 463720666 is about 774.0199424205.

The spelling of 463720666 in words is "four hundred sixty-three million, seven hundred twenty thousand, six hundred sixty-six".