606636636 has 48 divisors (see below), whose sum is σ = 1577640960. Its totient is φ = 180299520.

The previous prime is 606636623. The next prime is 606636637. The reversal of 606636636 is 636636606.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606636637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74380 + ... + 82131.

It is an arithmetic number, because the mean of its divisors is an integer number (32867520).

Almost surely, 2^606636636 is an apocalyptic number.

It is an amenable number.

606636636 is an abundant number, since it is smaller than the sum of its proper divisors (971004324).

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

606636636 is a wasteful number, since it uses less digits than its factorization.

606636636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156554 (or 156552 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 42.

The square root of 606636636 is about 24629.9946406815. The cubic root of 606636636 is about 846.5310226273.

The spelling of 606636636 in words is "six hundred six million, six hundred thirty-six thousand, six hundred thirty-six".