480001666 has 16 divisors (see below), whose sum is σ = 742163256. Its totient is φ = 232661376.

The previous prime is 480001663. The next prime is 480001667. The reversal of 480001666 is 666100084.

It can be written as a sum of positive squares in 4 ways, for example, as 413105625 + 66896041 = 20325^2 + 8179^2 .

It is not an unprimeable number, because it can be changed into a prime (480001661) 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, 8790 + ... + 32206.

Almost surely, 2^480001666 is an apocalyptic number.

480001666 is a deficient number, since it is larger than the sum of its proper divisors (262161590).

480001666 is a wasteful number, since it uses less digits than its factorization.

480001666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23733.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 480001666 is about 21908.9403212479. The cubic root of 480001666 is about 782.9744340896.

The spelling of 480001666 in words is "four hundred eighty million, one thousand, six hundred sixty-six".