655599006 has 12 divisors (see below), whose sum is σ = 1420464552. Its totient is φ = 218532996.

The previous prime is 655598987. The next prime is 655599053. The reversal of 655599006 is 600995556.

655599006 is a `hidden beast` number, since 6 + 5 + 559 + 90 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18211066 + ... + 18211101.

It is an arithmetic number, because the mean of its divisors is an integer number (118372046).

Almost surely, 2^655599006 is an apocalyptic number.

655599006 is an abundant number, since it is smaller than the sum of its proper divisors (764865546).

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

655599006 is a wasteful number, since it uses less digits than its factorization.

655599006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36422175 (or 36422172 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 655599006 is about 25604.6676604091. The cubic root of 655599006 is about 868.7192172658.

The spelling of 655599006 in words is "six hundred fifty-five million, five hundred ninety-nine thousand, six".