636066612336 has 40 divisors (see below), whose sum is σ = 1643202010384. Its totient is φ = 212018342400.

The previous prime is 636066612289. The next prime is 636066612371. The reversal of 636066612336 is 633216660636.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975486 + ... + 4132386.

Almost surely, 2^636066612336 is an apocalyptic number.

It is an amenable number.

636066612336 is an abundant number, since it is smaller than the sum of its proper divisors (1007135398048).

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

636066612336 is a wasteful number, since it uses less digits than its factorization.

636066612336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241369 (or 241363 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 48.

The spelling of 636066612336 in words is "six hundred thirty-six billion, sixty-six million, six hundred twelve thousand, three hundred thirty-six".