36156603656 has 8 divisors (see below), whose sum is σ = 67793631870. Its totient is φ = 18078301824.

The previous prime is 36156603647. The next prime is 36156603677. The reversal of 36156603656 is 65630665163.

It can be written as a sum of positive squares in only one way, i.e., 21313080100 + 14843523556 = 145990^2 + 121834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 36156603656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259787721 + ... + 2259787736.

Almost surely, 2^36156603656 is an apocalyptic number.

It is an amenable number.

36156603656 is a deficient number, since it is larger than the sum of its proper divisors (31637028214).

36156603656 is a wasteful number, since it uses less digits than its factorization.

36156603656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519575463 (or 4519575459 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 36156603656 in words is "thirty-six billion, one hundred fifty-six million, six hundred three thousand, six hundred fifty-six".