636045245151556 has 12 divisors (see below), whose sum is σ = 1148984958983680. Its totient is φ = 307763828299080.

The previous prime is 636045245151517. The next prime is 636045245151577. The reversal of 636045245151556 is 655151542540636.

It is a happy number.

636045245151556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×636045245151556² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 636045245151556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564698569036 + ... + 2564698569283.

Almost surely, 2^{636045245151556} is an apocalyptic number.

It is an amenable number.

636045245151556 is a deficient number, since it is larger than the sum of its proper divisors (512939713832124).

636045245151556 is a wasteful number, since it uses less digits than its factorization.

636045245151556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129397138354 (or 5129397138352 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 58.

The spelling of 636045245151556 in words is "six hundred thirty-six trillion, forty-five billion, two hundred forty-five million, one hundred fifty-one thousand, five hundred fifty-six".