487221166 has 8 divisors (see below), whose sum is σ = 734619024. Its totient is φ = 242348160.

The previous prime is 487221157. The next prime is 487221169. The reversal of 487221166 is 661122784.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487221169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630730 + ... + 631501.

It is an arithmetic number, because the mean of its divisors is an integer number (91827378).

Almost surely, 2^487221166 is an apocalyptic number.

487221166 is a deficient number, since it is larger than the sum of its proper divisors (247397858).

487221166 is a wasteful number, since it uses less digits than its factorization.

487221166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262426.

The product of its digits is 32256, while the sum is 37.

The square root of 487221166 is about 22073.0869159708. The cubic root of 487221166 is about 786.8803778346.

The spelling of 487221166 in words is "four hundred eighty-seven million, two hundred twenty-one thousand, one hundred sixty-six".