609543066 has 48 divisors (see below), whose sum is σ = 1410544800. Its totient is φ = 174984480.

The previous prime is 609543029. The next prime is 609543073. The reversal of 609543066 is 660345906.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8301 + ... + 35888.

It is an arithmetic number, because the mean of its divisors is an integer number (29386350).

Almost surely, 2^609543066 is an apocalyptic number.

609543066 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

609543066 is an abundant number, since it is smaller than the sum of its proper divisors (801001734).

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

609543066 is a wasteful number, since it uses less digits than its factorization.

609543066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44235 (or 44224 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 609543066 is about 24688.9259790700. The cubic root of 609543066 is about 847.8807951061.

The spelling of 609543066 in words is "six hundred nine million, five hundred forty-three thousand, sixty-six".