489651066 has 24 divisors (see below), whose sum is σ = 1063598484. Its totient is φ = 162803520.

The previous prime is 489651061. The next prime is 489651079. The reversal of 489651066 is 660156984.

489651066 is a `hidden beast` number, since 48 + 96 + 510 + 6 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 414326025 + 75325041 = 20355^2 + 8679^2 .

It is not an unprimeable number, because it can be changed into a prime (489651061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27115 + ... + 41406.

Almost surely, 2^489651066 is an apocalyptic number.

489651066 is an abundant number, since it is smaller than the sum of its proper divisors (573947418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489651066 is a wasteful number, since it uses less digits than its factorization.

489651066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68926 (or 68923 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 489651066 is about 22128.0606018693. The cubic root of 489651066 is about 788.1863355972.

The spelling of 489651066 in words is "four hundred eighty-nine million, six hundred fifty-one thousand, sixty-six".