486061666 has 4 divisors (see below), whose sum is σ = 729092502. Its totient is φ = 243030832.

The previous prime is 486061661. The next prime is 486061673. The reversal of 486061666 is 666160684.

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., 446434641 + 39627025 = 21129^2 + 6295^2 .

It is not an unprimeable number, because it can be changed into a prime (486061661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121515415 + ... + 121515418.

Almost surely, 2^486061666 is an apocalyptic number.

486061666 is a deficient number, since it is larger than the sum of its proper divisors (243030836).

486061666 is a wasteful number, since it uses less digits than its factorization.

486061666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243030835.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 486061666 is about 22046.8062539679. The cubic root of 486061666 is about 786.2556700742.

The spelling of 486061666 in words is "four hundred eighty-six million, sixty-one thousand, six hundred sixty-six".